Home / 40,505.89-55,889.17-23,500.28

Finding the Fourth Proportional to 40,505.89, 55,889.17 and 23,500.28

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Solution

The fourth proportional to 40,505.89, 55,889.17 and 23,500.28 is: 32,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505.89 : 55,889.17 = 23,500.28 : x
  2. Step 2: Convert to fraction form
    40,505.89/55,889.17 = 23,500.28/x
  3. Step 3: Cross multiply
    40,505.89x = 55,889.17 × 23,500.28
  4. Step 4: Simplify right side
    40,505.89x = 1,313,411,042.75
  5. Step 5: Solve for x
    x = 1,313,411,042.75/40,505.89
  6. Step 6: Final answer
    x = 32,425.19

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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.