Home / 52,631.60-72,631.62-28,432.57

Finding the Fourth Proportional to 52,631.60, 72,631.62 and 28,432.57

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Solution

The fourth proportional to 52,631.60, 72,631.62 and 28,432.57 is: 39,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.60 : 72,631.62 = 28,432.57 : x
  2. Step 2: Convert to fraction form
    52,631.60/72,631.62 = 28,432.57/x
  3. Step 3: Cross multiply
    52,631.60x = 72,631.62 × 28,432.57
  4. Step 4: Simplify right side
    52,631.60x = 2,065,103,438.28
  5. Step 5: Solve for x
    x = 2,065,103,438.28/52,631.60
  6. Step 6: Final answer
    x = 39,236.95

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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.