Home / 48,318.25-66,656.49-34,178.89

Finding the Fourth Proportional to 48,318.25, 66,656.49 and 34,178.89

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Solution

The fourth proportional to 48,318.25, 66,656.49 and 34,178.89 is: 47,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318.25 : 66,656.49 = 34,178.89 : x
  2. Step 2: Convert to fraction form
    48,318.25/66,656.49 = 34,178.89/x
  3. Step 3: Cross multiply
    48,318.25x = 66,656.49 × 34,178.89
  4. Step 4: Simplify right side
    48,318.25x = 2,278,244,839.50
  5. Step 5: Solve for x
    x = 2,278,244,839.50/48,318.25
  6. Step 6: Final answer
    x = 47,150.81

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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.