Home / 52,310.85-72,188.12-28,438.13

Finding the Fourth Proportional to 52,310.85, 72,188.12 and 28,438.13

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Solution

The fourth proportional to 52,310.85, 72,188.12 and 28,438.13 is: 39,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.85 : 72,188.12 = 28,438.13 : x
  2. Step 2: Convert to fraction form
    52,310.85/72,188.12 = 28,438.13/x
  3. Step 3: Cross multiply
    52,310.85x = 72,188.12 × 28,438.13
  4. Step 4: Simplify right side
    52,310.85x = 2,052,895,141.02
  5. Step 5: Solve for x
    x = 2,052,895,141.02/52,310.85
  6. Step 6: Final answer
    x = 39,244.16

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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.