Home / 62,145.20-85,726.68-36,989.84

Finding the Fourth Proportional to 62,145.20, 85,726.68 and 36,989.84

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Solution

The fourth proportional to 62,145.20, 85,726.68 and 36,989.84 is: 51,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.20 : 85,726.68 = 36,989.84 : x
  2. Step 2: Convert to fraction form
    62,145.20/85,726.68 = 36,989.84/x
  3. Step 3: Cross multiply
    62,145.20x = 85,726.68 × 36,989.84
  4. Step 4: Simplify right side
    62,145.20x = 3,171,016,176.93
  5. Step 5: Solve for x
    x = 3,171,016,176.93/62,145.20
  6. Step 6: Final answer
    x = 51,025.92

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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.