Home / 54,423.06-75,103.19-30,549.12

Finding the Fourth Proportional to 54,423.06, 75,103.19 and 30,549.12

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Solution

The fourth proportional to 54,423.06, 75,103.19 and 30,549.12 is: 42,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.06 : 75,103.19 = 30,549.12 : x
  2. Step 2: Convert to fraction form
    54,423.06/75,103.19 = 30,549.12/x
  3. Step 3: Cross multiply
    54,423.06x = 75,103.19 × 30,549.12
  4. Step 4: Simplify right side
    54,423.06x = 2,294,336,210.95
  5. Step 5: Solve for x
    x = 2,294,336,210.95/54,423.06
  6. Step 6: Final answer
    x = 42,157.43

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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.