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Finding the Fourth Proportional to 48,464.49, 72,555.78 and 29,687.49

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Solution

The fourth proportional to 48,464.49, 72,555.78 and 29,687.49 is: 44,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.49 : 72,555.78 = 29,687.49 : x
  2. Step 2: Convert to fraction form
    48,464.49/72,555.78 = 29,687.49/x
  3. Step 3: Cross multiply
    48,464.49x = 72,555.78 × 29,687.49
  4. Step 4: Simplify right side
    48,464.49x = 2,153,998,993.19
  5. Step 5: Solve for x
    x = 2,153,998,993.19/48,464.49
  6. Step 6: Final answer
    x = 44,444.89

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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.