Home / 42,085.01-63,134.81-18,713.27

Finding the Fourth Proportional to 42,085.01, 63,134.81 and 18,713.27

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Solution

The fourth proportional to 42,085.01, 63,134.81 and 18,713.27 is: 28,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085.01 : 63,134.81 = 18,713.27 : x
  2. Step 2: Convert to fraction form
    42,085.01/63,134.81 = 18,713.27/x
  3. Step 3: Cross multiply
    42,085.01x = 63,134.81 × 18,713.27
  4. Step 4: Simplify right side
    42,085.01x = 1,181,458,745.93
  5. Step 5: Solve for x
    x = 1,181,458,745.93/42,085.01
  6. Step 6: Final answer
    x = 28,073.15

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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.