Home / 38,645.48-57,939.84-12,335.04

Finding the Fourth Proportional to 38,645.48, 57,939.84 and 12,335.04

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Solution

The fourth proportional to 38,645.48, 57,939.84 and 12,335.04 is: 18,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.48 : 57,939.84 = 12,335.04 : x
  2. Step 2: Convert to fraction form
    38,645.48/57,939.84 = 12,335.04/x
  3. Step 3: Cross multiply
    38,645.48x = 57,939.84 × 12,335.04
  4. Step 4: Simplify right side
    38,645.48x = 714,690,243.99
  5. Step 5: Solve for x
    x = 714,690,243.99/38,645.48
  6. Step 6: Final answer
    x = 18,493.50

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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.