Home / 42,665.76-63,998.24-14,585.49

Finding the Fourth Proportional to 42,665.76, 63,998.24 and 14,585.49

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Solution

The fourth proportional to 42,665.76, 63,998.24 and 14,585.49 is: 21,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,665.76 : 63,998.24 = 14,585.49 : x
  2. Step 2: Convert to fraction form
    42,665.76/63,998.24 = 14,585.49/x
  3. Step 3: Cross multiply
    42,665.76x = 63,998.24 × 14,585.49
  4. Step 4: Simplify right side
    42,665.76x = 933,445,616.61
  5. Step 5: Solve for x
    x = 933,445,616.61/42,665.76
  6. Step 6: Final answer
    x = 21,878.10

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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.