Home / 40,887.40-61,331.10-17,516.20

Finding the Fourth Proportional to 40,887.40, 61,331.10 and 17,516.20

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Solution

The fourth proportional to 40,887.40, 61,331.10 and 17,516.20 is: 26,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.40 : 61,331.10 = 17,516.20 : x
  2. Step 2: Convert to fraction form
    40,887.40/61,331.10 = 17,516.20/x
  3. Step 3: Cross multiply
    40,887.40x = 61,331.10 × 17,516.20
  4. Step 4: Simplify right side
    40,887.40x = 1,074,287,813.82
  5. Step 5: Solve for x
    x = 1,074,287,813.82/40,887.40
  6. Step 6: Final answer
    x = 26,274.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.