Home / 55,422.76-83,134.14-20,347.24

Finding the Fourth Proportional to 55,422.76, 83,134.14 and 20,347.24

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Solution

The fourth proportional to 55,422.76, 83,134.14 and 20,347.24 is: 30,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.76 : 83,134.14 = 20,347.24 : x
  2. Step 2: Convert to fraction form
    55,422.76/83,134.14 = 20,347.24/x
  3. Step 3: Cross multiply
    55,422.76x = 83,134.14 × 20,347.24
  4. Step 4: Simplify right side
    55,422.76x = 1,691,550,298.77
  5. Step 5: Solve for x
    x = 1,691,550,298.77/55,422.76
  6. Step 6: Final answer
    x = 30,520.86

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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.