Home / 54,591.20-75,336.18-30,718.28

Finding the Fourth Proportional to 54,591.20, 75,336.18 and 30,718.28

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Solution

The fourth proportional to 54,591.20, 75,336.18 and 30,718.28 is: 42,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.20 : 75,336.18 = 30,718.28 : x
  2. Step 2: Convert to fraction form
    54,591.20/75,336.18 = 30,718.28/x
  3. Step 3: Cross multiply
    54,591.20x = 75,336.18 × 30,718.28
  4. Step 4: Simplify right side
    54,591.20x = 2,314,197,871.37
  5. Step 5: Solve for x
    x = 2,314,197,871.37/54,591.20
  6. Step 6: Final answer
    x = 42,391.41

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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.