Home / 48,238.62-72,355.70-13,178.18

Finding the Fourth Proportional to 48,238.62, 72,355.70 and 13,178.18

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Solution

The fourth proportional to 48,238.62, 72,355.70 and 13,178.18 is: 19,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,238.62 : 72,355.70 = 13,178.18 : x
  2. Step 2: Convert to fraction form
    48,238.62/72,355.70 = 13,178.18/x
  3. Step 3: Cross multiply
    48,238.62x = 72,355.70 × 13,178.18
  4. Step 4: Simplify right side
    48,238.62x = 953,516,010.96
  5. Step 5: Solve for x
    x = 953,516,010.96/48,238.62
  6. Step 6: Final answer
    x = 19,766.65

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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.