Home / 54,047.28-74,622.12-35,217.20

Finding the Fourth Proportional to 54,047.28, 74,622.12 and 35,217.20

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Solution

The fourth proportional to 54,047.28, 74,622.12 and 35,217.20 is: 48,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047.28 : 74,622.12 = 35,217.20 : x
  2. Step 2: Convert to fraction form
    54,047.28/74,622.12 = 35,217.20/x
  3. Step 3: Cross multiply
    54,047.28x = 74,622.12 × 35,217.20
  4. Step 4: Simplify right side
    54,047.28x = 2,627,982,124.46
  5. Step 5: Solve for x
    x = 2,627,982,124.46/54,047.28
  6. Step 6: Final answer
    x = 48,623.76

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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.