Home / 20,695.77-31,034.61-5,901.39

Finding the Fourth Proportional to 20,695.77, 31,034.61 and 5,901.39

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Solution

The fourth proportional to 20,695.77, 31,034.61 and 5,901.39 is: 8,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.77 : 31,034.61 = 5,901.39 : x
  2. Step 2: Convert to fraction form
    20,695.77/31,034.61 = 5,901.39/x
  3. Step 3: Cross multiply
    20,695.77x = 31,034.61 × 5,901.39
  4. Step 4: Simplify right side
    20,695.77x = 183,147,337.11
  5. Step 5: Solve for x
    x = 183,147,337.11/20,695.77
  6. Step 6: Final answer
    x = 8,849.51

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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.