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Finding the Fourth Proportional to 48,376.72, 72,570.84 and 29,648.08

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Solution

The fourth proportional to 48,376.72, 72,570.84 and 29,648.08 is: 44,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,376.72 : 72,570.84 = 29,648.08 : x
  2. Step 2: Convert to fraction form
    48,376.72/72,570.84 = 29,648.08/x
  3. Step 3: Cross multiply
    48,376.72x = 72,570.84 × 29,648.08
  4. Step 4: Simplify right side
    48,376.72x = 2,151,586,069.99
  5. Step 5: Solve for x
    x = 2,151,586,069.99/48,376.72
  6. Step 6: Final answer
    x = 44,475.65

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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.