Home / 38,891.29-58,322.34-30,668.17

Finding the Fourth Proportional to 38,891.29, 58,322.34 and 30,668.17

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Solution

The fourth proportional to 38,891.29, 58,322.34 and 30,668.17 is: 45,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.29 : 58,322.34 = 30,668.17 : x
  2. Step 2: Convert to fraction form
    38,891.29/58,322.34 = 30,668.17/x
  3. Step 3: Cross multiply
    38,891.29x = 58,322.34 × 30,668.17
  4. Step 4: Simplify right side
    38,891.29x = 1,788,639,437.92
  5. Step 5: Solve for x
    x = 1,788,639,437.92/38,891.29
  6. Step 6: Final answer
    x = 45,990.75

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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.