Home / 39,248.82-54,162.63-21,343.68

Finding the Fourth Proportional to 39,248.82, 54,162.63 and 21,343.68

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Solution

The fourth proportional to 39,248.82, 54,162.63 and 21,343.68 is: 29,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.82 : 54,162.63 = 21,343.68 : x
  2. Step 2: Convert to fraction form
    39,248.82/54,162.63 = 21,343.68/x
  3. Step 3: Cross multiply
    39,248.82x = 54,162.63 × 21,343.68
  4. Step 4: Simplify right side
    39,248.82x = 1,156,029,842.68
  5. Step 5: Solve for x
    x = 1,156,029,842.68/39,248.82
  6. Step 6: Final answer
    x = 29,453.88

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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.