Home / 32,115.87-48,178.40-9,930.95

Finding the Fourth Proportional to 32,115.87, 48,178.40 and 9,930.95

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Solution

The fourth proportional to 32,115.87, 48,178.40 and 9,930.95 is: 14,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.87 : 48,178.40 = 9,930.95 : x
  2. Step 2: Convert to fraction form
    32,115.87/48,178.40 = 9,930.95/x
  3. Step 3: Cross multiply
    32,115.87x = 48,178.40 × 9,930.95
  4. Step 4: Simplify right side
    32,115.87x = 478,457,442.61
  5. Step 5: Solve for x
    x = 478,457,442.61/32,115.87
  6. Step 6: Final answer
    x = 14,897.85

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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.