Home / 52,631.22-72,631.10-28,432.19

Finding the Fourth Proportional to 52,631.22, 72,631.10 and 28,432.19

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Solution

The fourth proportional to 52,631.22, 72,631.10 and 28,432.19 is: 39,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.22 : 72,631.10 = 28,432.19 : x
  2. Step 2: Convert to fraction form
    52,631.22/72,631.10 = 28,432.19/x
  3. Step 3: Cross multiply
    52,631.22x = 72,631.10 × 28,432.19
  4. Step 4: Simplify right side
    52,631.22x = 2,065,061,487.77
  5. Step 5: Solve for x
    x = 2,065,061,487.77/52,631.22
  6. Step 6: Final answer
    x = 39,236.44

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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.