Home / 38,988-58,452.80-12,677.04

Finding the Fourth Proportional to 38,988, 58,452.80 and 12,677.04

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Solution

The fourth proportional to 38,988, 58,452.80 and 12,677.04 is: 19,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988 : 58,452.80 = 12,677.04 : x
  2. Step 2: Convert to fraction form
    38,988/58,452.80 = 12,677.04/x
  3. Step 3: Cross multiply
    38,988x = 58,452.80 × 12,677.04
  4. Step 4: Simplify right side
    38,988x = 741,008,483.71
  5. Step 5: Solve for x
    x = 741,008,483.71/38,988
  6. Step 6: Final answer
    x = 19,006.07

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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.