Home / 52,001.85-77,932.10-21,991.15

Finding the Fourth Proportional to 52,001.85, 77,932.10 and 21,991.15

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Solution

The fourth proportional to 52,001.85, 77,932.10 and 21,991.15 is: 32,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.85 : 77,932.10 = 21,991.15 : x
  2. Step 2: Convert to fraction form
    52,001.85/77,932.10 = 21,991.15/x
  3. Step 3: Cross multiply
    52,001.85x = 77,932.10 × 21,991.15
  4. Step 4: Simplify right side
    52,001.85x = 1,713,816,361.06
  5. Step 5: Solve for x
    x = 1,713,816,361.06/52,001.85
  6. Step 6: Final answer
    x = 32,956.83

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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.