Home / 52,714.13-79,052.15-21,131.42

Finding the Fourth Proportional to 52,714.13, 79,052.15 and 21,131.42

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Solution

The fourth proportional to 52,714.13, 79,052.15 and 21,131.42 is: 31,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,714.13 : 79,052.15 = 21,131.42 : x
  2. Step 2: Convert to fraction form
    52,714.13/79,052.15 = 21,131.42/x
  3. Step 3: Cross multiply
    52,714.13x = 79,052.15 × 21,131.42
  4. Step 4: Simplify right side
    52,714.13x = 1,670,484,183.55
  5. Step 5: Solve for x
    x = 1,670,484,183.55/52,714.13
  6. Step 6: Final answer
    x = 31,689.50

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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.