Home / 32,139.32-48,211.23-9,949.78

Finding the Fourth Proportional to 32,139.32, 48,211.23 and 9,949.78

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Solution

The fourth proportional to 32,139.32, 48,211.23 and 9,949.78 is: 14,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.32 : 48,211.23 = 9,949.78 : x
  2. Step 2: Convert to fraction form
    32,139.32/48,211.23 = 9,949.78/x
  3. Step 3: Cross multiply
    32,139.32x = 48,211.23 × 9,949.78
  4. Step 4: Simplify right side
    32,139.32x = 479,691,132.03
  5. Step 5: Solve for x
    x = 479,691,132.03/32,139.32
  6. Step 6: Final answer
    x = 14,925.37

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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.