Home / 54,451.28-75,139.94-36,543.80

Finding the Fourth Proportional to 54,451.28, 75,139.94 and 36,543.80

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Solution

The fourth proportional to 54,451.28, 75,139.94 and 36,543.80 is: 50,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451.28 : 75,139.94 = 36,543.80 : x
  2. Step 2: Convert to fraction form
    54,451.28/75,139.94 = 36,543.80/x
  3. Step 3: Cross multiply
    54,451.28x = 75,139.94 × 36,543.80
  4. Step 4: Simplify right side
    54,451.28x = 2,745,898,939.37
  5. Step 5: Solve for x
    x = 2,745,898,939.37/54,451.28
  6. Step 6: Final answer
    x = 50,428.55

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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.