Home / 39,215.12-58,822.68-14,250.52

Finding the Fourth Proportional to 39,215.12, 58,822.68 and 14,250.52

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Solution

The fourth proportional to 39,215.12, 58,822.68 and 14,250.52 is: 21,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.12 : 58,822.68 = 14,250.52 : x
  2. Step 2: Convert to fraction form
    39,215.12/58,822.68 = 14,250.52/x
  3. Step 3: Cross multiply
    39,215.12x = 58,822.68 × 14,250.52
  4. Step 4: Simplify right side
    39,215.12x = 838,253,777.79
  5. Step 5: Solve for x
    x = 838,253,777.79/39,215.12
  6. Step 6: Final answer
    x = 21,375.78

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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.