Home / 38,891.40-58,337.10-31,115.40

Finding the Fourth Proportional to 38,891.40, 58,337.10 and 31,115.40

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Solution

The fourth proportional to 38,891.40, 58,337.10 and 31,115.40 is: 46,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.40 : 58,337.10 = 31,115.40 : x
  2. Step 2: Convert to fraction form
    38,891.40/58,337.10 = 31,115.40/x
  3. Step 3: Cross multiply
    38,891.40x = 58,337.10 × 31,115.40
  4. Step 4: Simplify right side
    38,891.40x = 1,815,182,201.34
  5. Step 5: Solve for x
    x = 1,815,182,201.34/38,891.40
  6. Step 6: Final answer
    x = 46,673.10

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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.