Home / 59,888.20-89,832.30-20,432.20

Finding the Fourth Proportional to 59,888.20, 89,832.30 and 20,432.20

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Solution

The fourth proportional to 59,888.20, 89,832.30 and 20,432.20 is: 30,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,888.20 : 89,832.30 = 20,432.20 : x
  2. Step 2: Convert to fraction form
    59,888.20/89,832.30 = 20,432.20/x
  3. Step 3: Cross multiply
    59,888.20x = 89,832.30 × 20,432.20
  4. Step 4: Simplify right side
    59,888.20x = 1,835,471,520.06
  5. Step 5: Solve for x
    x = 1,835,471,520.06/59,888.20
  6. Step 6: Final answer
    x = 30,648.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.