Home / 52,378.62-72,281.44-28,505.70

Finding the Fourth Proportional to 52,378.62, 72,281.44 and 28,505.70

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Solution

The fourth proportional to 52,378.62, 72,281.44 and 28,505.70 is: 39,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.62 : 72,281.44 = 28,505.70 : x
  2. Step 2: Convert to fraction form
    52,378.62/72,281.44 = 28,505.70/x
  3. Step 3: Cross multiply
    52,378.62x = 72,281.44 × 28,505.70
  4. Step 4: Simplify right side
    52,378.62x = 2,060,433,044.21
  5. Step 5: Solve for x
    x = 2,060,433,044.21/52,378.62
  6. Step 6: Final answer
    x = 39,337.29

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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.