Home / 20,753.55-31,121.01-5,959.17

Finding the Fourth Proportional to 20,753.55, 31,121.01 and 5,959.17

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Solution

The fourth proportional to 20,753.55, 31,121.01 and 5,959.17 is: 8,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.55 : 31,121.01 = 5,959.17 : x
  2. Step 2: Convert to fraction form
    20,753.55/31,121.01 = 5,959.17/x
  3. Step 3: Cross multiply
    20,753.55x = 31,121.01 × 5,959.17
  4. Step 4: Simplify right side
    20,753.55x = 185,455,389.16
  5. Step 5: Solve for x
    x = 185,455,389.16/20,753.55
  6. Step 6: Final answer
    x = 8,936.08

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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.