Home / 54,591.05-75,337.12-30,718.57

Finding the Fourth Proportional to 54,591.05, 75,337.12 and 30,718.57

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Solution

The fourth proportional to 54,591.05, 75,337.12 and 30,718.57 is: 42,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.05 : 75,337.12 = 30,718.57 : x
  2. Step 2: Convert to fraction form
    54,591.05/75,337.12 = 30,718.57/x
  3. Step 3: Cross multiply
    54,591.05x = 75,337.12 × 30,718.57
  4. Step 4: Simplify right side
    54,591.05x = 2,314,248,594.32
  5. Step 5: Solve for x
    x = 2,314,248,594.32/54,591.05
  6. Step 6: Final answer
    x = 42,392.45

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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.