Home / 42,083.01-63,131.81-18,711.27

Finding the Fourth Proportional to 42,083.01, 63,131.81 and 18,711.27

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Solution

The fourth proportional to 42,083.01, 63,131.81 and 18,711.27 is: 28,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,083.01 : 63,131.81 = 18,711.27 : x
  2. Step 2: Convert to fraction form
    42,083.01/63,131.81 = 18,711.27/x
  3. Step 3: Cross multiply
    42,083.01x = 63,131.81 × 18,711.27
  4. Step 4: Simplify right side
    42,083.01x = 1,181,276,248.94
  5. Step 5: Solve for x
    x = 1,181,276,248.94/42,083.01
  6. Step 6: Final answer
    x = 28,070.15

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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.