Home / 42,557.28-63,680.40-25,035.36

Finding the Fourth Proportional to 42,557.28, 63,680.40 and 25,035.36

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Solution

The fourth proportional to 42,557.28, 63,680.40 and 25,035.36 is: 37,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557.28 : 63,680.40 = 25,035.36 : x
  2. Step 2: Convert to fraction form
    42,557.28/63,680.40 = 25,035.36/x
  3. Step 3: Cross multiply
    42,557.28x = 63,680.40 × 25,035.36
  4. Step 4: Simplify right side
    42,557.28x = 1,594,261,738.94
  5. Step 5: Solve for x
    x = 1,594,261,738.94/42,557.28
  6. Step 6: Final answer
    x = 37,461.55

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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.