Home / 31,073.36-42,881.27-16,926.19

Finding the Fourth Proportional to 31,073.36, 42,881.27 and 16,926.19

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Solution

The fourth proportional to 31,073.36, 42,881.27 and 16,926.19 is: 23,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.36 : 42,881.27 = 16,926.19 : x
  2. Step 2: Convert to fraction form
    31,073.36/42,881.27 = 16,926.19/x
  3. Step 3: Cross multiply
    31,073.36x = 42,881.27 × 16,926.19
  4. Step 4: Simplify right side
    31,073.36x = 725,816,331.63
  5. Step 5: Solve for x
    x = 725,816,331.63/31,073.36
  6. Step 6: Final answer
    x = 23,358.16

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Half scale
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Double scale
Find fourth proportional to 31,074.36, 42,882.65 and 16,927.19
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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.