Home / 39,248.65-54,164.16-21,344.70

Finding the Fourth Proportional to 39,248.65, 54,164.16 and 21,344.70

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Solution

The fourth proportional to 39,248.65, 54,164.16 and 21,344.70 is: 29,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.65 : 54,164.16 = 21,344.70 : x
  2. Step 2: Convert to fraction form
    39,248.65/54,164.16 = 21,344.70/x
  3. Step 3: Cross multiply
    39,248.65x = 54,164.16 × 21,344.70
  4. Step 4: Simplify right side
    39,248.65x = 1,156,117,745.95
  5. Step 5: Solve for x
    x = 1,156,117,745.95/39,248.65
  6. Step 6: Final answer
    x = 29,456.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.