Home / 53,074.91-79,613.15-13,631.15

Finding the Fourth Proportional to 53,074.91, 79,613.15 and 13,631.15

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Solution

The fourth proportional to 53,074.91, 79,613.15 and 13,631.15 is: 20,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.91 : 79,613.15 = 13,631.15 : x
  2. Step 2: Convert to fraction form
    53,074.91/79,613.15 = 13,631.15/x
  3. Step 3: Cross multiply
    53,074.91x = 79,613.15 × 13,631.15
  4. Step 4: Simplify right side
    53,074.91x = 1,085,218,323.40
  5. Step 5: Solve for x
    x = 1,085,218,323.40/53,074.91
  6. Step 6: Final answer
    x = 20,446.92

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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.