Home / 40,887.50-61,331.09-11,305.26

Finding the Fourth Proportional to 40,887.50, 61,331.09 and 11,305.26

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Solution

The fourth proportional to 40,887.50, 61,331.09 and 11,305.26 is: 16,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.50 : 61,331.09 = 11,305.26 : x
  2. Step 2: Convert to fraction form
    40,887.50/61,331.09 = 11,305.26/x
  3. Step 3: Cross multiply
    40,887.50x = 61,331.09 × 11,305.26
  4. Step 4: Simplify right side
    40,887.50x = 693,363,862.01
  5. Step 5: Solve for x
    x = 693,363,862.01/40,887.50
  6. Step 6: Final answer
    x = 16,957.85

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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.