Home / 54,257.55-74,901.36-36,138.42

Finding the Fourth Proportional to 54,257.55, 74,901.36 and 36,138.42

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Solution

The fourth proportional to 54,257.55, 74,901.36 and 36,138.42 is: 49,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,257.55 : 74,901.36 = 36,138.42 : x
  2. Step 2: Convert to fraction form
    54,257.55/74,901.36 = 36,138.42/x
  3. Step 3: Cross multiply
    54,257.55x = 74,901.36 × 36,138.42
  4. Step 4: Simplify right side
    54,257.55x = 2,706,816,806.25
  5. Step 5: Solve for x
    x = 2,706,816,806.25/54,257.55
  6. Step 6: Final answer
    x = 49,888.30

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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.