Home / 54,591.92-75,341.28-30,717.20

Finding the Fourth Proportional to 54,591.92, 75,341.28 and 30,717.20

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Solution

The fourth proportional to 54,591.92, 75,341.28 and 30,717.20 is: 42,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.92 : 75,341.28 = 30,717.20 : x
  2. Step 2: Convert to fraction form
    54,591.92/75,341.28 = 30,717.20/x
  3. Step 3: Cross multiply
    54,591.92x = 75,341.28 × 30,717.20
  4. Step 4: Simplify right side
    54,591.92x = 2,314,273,166.02
  5. Step 5: Solve for x
    x = 2,314,273,166.02/54,591.92
  6. Step 6: Final answer
    x = 42,392.23

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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.