Home / 42,565.41-63,837.84-18,859.85

Finding the Fourth Proportional to 42,565.41, 63,837.84 and 18,859.85

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Solution

The fourth proportional to 42,565.41, 63,837.84 and 18,859.85 is: 28,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,565.41 : 63,837.84 = 18,859.85 : x
  2. Step 2: Convert to fraction form
    42,565.41/63,837.84 = 18,859.85/x
  3. Step 3: Cross multiply
    42,565.41x = 63,837.84 × 18,859.85
  4. Step 4: Simplify right side
    42,565.41x = 1,203,972,086.72
  5. Step 5: Solve for x
    x = 1,203,972,086.72/42,565.41
  6. Step 6: Final answer
    x = 28,285.22

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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.