Home / 53,008.43-79,516.28-13,565.88

Finding the Fourth Proportional to 53,008.43, 79,516.28 and 13,565.88

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Solution

The fourth proportional to 53,008.43, 79,516.28 and 13,565.88 is: 20,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.43 : 79,516.28 = 13,565.88 : x
  2. Step 2: Convert to fraction form
    53,008.43/79,516.28 = 13,565.88/x
  3. Step 3: Cross multiply
    53,008.43x = 79,516.28 × 13,565.88
  4. Step 4: Simplify right side
    53,008.43x = 1,078,708,346.44
  5. Step 5: Solve for x
    x = 1,078,708,346.44/53,008.43
  6. Step 6: Final answer
    x = 20,349.75

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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.