Home / 63,490.12-95,253.81-28,421.98

Finding the Fourth Proportional to 63,490.12, 95,253.81 and 28,421.98

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Solution

The fourth proportional to 63,490.12, 95,253.81 and 28,421.98 is: 42,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.12 : 95,253.81 = 28,421.98 : x
  2. Step 2: Convert to fraction form
    63,490.12/95,253.81 = 28,421.98/x
  3. Step 3: Cross multiply
    63,490.12x = 95,253.81 × 28,421.98
  4. Step 4: Simplify right side
    63,490.12x = 2,707,301,882.74
  5. Step 5: Solve for x
    x = 2,707,301,882.74/63,490.12
  6. Step 6: Final answer
    x = 42,641.31

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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.