Home / 54,319.28-74,962.26-30,446.55

Finding the Fourth Proportional to 54,319.28, 74,962.26 and 30,446.55

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Solution

The fourth proportional to 54,319.28, 74,962.26 and 30,446.55 is: 42,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.28 : 74,962.26 = 30,446.55 : x
  2. Step 2: Convert to fraction form
    54,319.28/74,962.26 = 30,446.55/x
  3. Step 3: Cross multiply
    54,319.28x = 74,962.26 × 30,446.55
  4. Step 4: Simplify right side
    54,319.28x = 2,282,342,197.20
  5. Step 5: Solve for x
    x = 2,282,342,197.20/54,319.28
  6. Step 6: Final answer
    x = 42,017.17

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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.