Home / 31,266.24-43,136.16-19,325.76

Finding the Fourth Proportional to 31,266.24, 43,136.16 and 19,325.76

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Solution

The fourth proportional to 31,266.24, 43,136.16 and 19,325.76 is: 26,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.24 : 43,136.16 = 19,325.76 : x
  2. Step 2: Convert to fraction form
    31,266.24/43,136.16 = 19,325.76/x
  3. Step 3: Cross multiply
    31,266.24x = 43,136.16 × 19,325.76
  4. Step 4: Simplify right side
    31,266.24x = 833,639,075.48
  5. Step 5: Solve for x
    x = 833,639,075.48/31,266.24
  6. Step 6: Final answer
    x = 26,662.59

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Half scale
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Double scale
Find fourth proportional to 31,267.24, 43,137.54 and 19,326.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.