Home / 40,737.28-61,104.64-11,553.28

Finding the Fourth Proportional to 40,737.28, 61,104.64 and 11,553.28

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Solution

The fourth proportional to 40,737.28, 61,104.64 and 11,553.28 is: 17,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.28 : 61,104.64 = 11,553.28 : x
  2. Step 2: Convert to fraction form
    40,737.28/61,104.64 = 11,553.28/x
  3. Step 3: Cross multiply
    40,737.28x = 61,104.64 × 11,553.28
  4. Step 4: Simplify right side
    40,737.28x = 705,959,015.22
  5. Step 5: Solve for x
    x = 705,959,015.22/40,737.28
  6. Step 6: Final answer
    x = 17,329.56

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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.