Home / 48,660.87-72,806.40-29,690.66

Finding the Fourth Proportional to 48,660.87, 72,806.40 and 29,690.66

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Solution

The fourth proportional to 48,660.87, 72,806.40 and 29,690.66 is: 44,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.87 : 72,806.40 = 29,690.66 : x
  2. Step 2: Convert to fraction form
    48,660.87/72,806.40 = 29,690.66/x
  3. Step 3: Cross multiply
    48,660.87x = 72,806.40 × 29,690.66
  4. Step 4: Simplify right side
    48,660.87x = 2,161,669,704.19
  5. Step 5: Solve for x
    x = 2,161,669,704.19/48,660.87
  6. Step 6: Final answer
    x = 44,423.16

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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.