Home / 52,311.62-72,191.45-28,439.93

Finding the Fourth Proportional to 52,311.62, 72,191.45 and 28,439.93

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Solution

The fourth proportional to 52,311.62, 72,191.45 and 28,439.93 is: 39,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.62 : 72,191.45 = 28,439.93 : x
  2. Step 2: Convert to fraction form
    52,311.62/72,191.45 = 28,439.93/x
  3. Step 3: Cross multiply
    52,311.62x = 72,191.45 × 28,439.93
  4. Step 4: Simplify right side
    52,311.62x = 2,053,119,784.60
  5. Step 5: Solve for x
    x = 2,053,119,784.60/52,311.62
  6. Step 6: Final answer
    x = 39,247.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.