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Finding the Fourth Proportional to 52,744.72, 79,117.08 and 15,808.72

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Solution

The fourth proportional to 52,744.72, 79,117.08 and 15,808.72 is: 23,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,744.72 : 79,117.08 = 15,808.72 : x
  2. Step 2: Convert to fraction form
    52,744.72/79,117.08 = 15,808.72/x
  3. Step 3: Cross multiply
    52,744.72x = 79,117.08 × 15,808.72
  4. Step 4: Simplify right side
    52,744.72x = 1,250,739,725.42
  5. Step 5: Solve for x
    x = 1,250,739,725.42/52,744.72
  6. Step 6: Final answer
    x = 23,713.08

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Similar ratio
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1.5x scale

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.