Home / 38,988.83-58,490.46-12,341.54

Finding the Fourth Proportional to 38,988.83, 58,490.46 and 12,341.54

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Solution

The fourth proportional to 38,988.83, 58,490.46 and 12,341.54 is: 18,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.83 : 58,490.46 = 12,341.54 : x
  2. Step 2: Convert to fraction form
    38,988.83/58,490.46 = 12,341.54/x
  3. Step 3: Cross multiply
    38,988.83x = 58,490.46 × 12,341.54
  4. Step 4: Simplify right side
    38,988.83x = 721,862,497.93
  5. Step 5: Solve for x
    x = 721,862,497.93/38,988.83
  6. Step 6: Final answer
    x = 18,514.60

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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.