Home / 48,221.01-72,191.40-43,156.74

Finding the Fourth Proportional to 48,221.01, 72,191.40 and 43,156.74

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Solution

The fourth proportional to 48,221.01, 72,191.40 and 43,156.74 is: 64,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,221.01 : 72,191.40 = 43,156.74 : x
  2. Step 2: Convert to fraction form
    48,221.01/72,191.40 = 43,156.74/x
  3. Step 3: Cross multiply
    48,221.01x = 72,191.40 × 43,156.74
  4. Step 4: Simplify right side
    48,221.01x = 3,115,545,480.04
  5. Step 5: Solve for x
    x = 3,115,545,480.04/48,221.01
  6. Step 6: Final answer
    x = 64,609.71

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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.