Home / 31,427.56-43,325.36-24,997.76

Finding the Fourth Proportional to 31,427.56, 43,325.36 and 24,997.76

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Solution

The fourth proportional to 31,427.56, 43,325.36 and 24,997.76 is: 34,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.56 : 43,325.36 = 24,997.76 : x
  2. Step 2: Convert to fraction form
    31,427.56/43,325.36 = 24,997.76/x
  3. Step 3: Cross multiply
    31,427.56x = 43,325.36 × 24,997.76
  4. Step 4: Simplify right side
    31,427.56x = 1,083,036,951.19
  5. Step 5: Solve for x
    x = 1,083,036,951.19/31,427.56
  6. Step 6: Final answer
    x = 34,461.38

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Half scale
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Double scale
Find fourth proportional to 31,428.56, 43,326.74 and 24,998.76
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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.