Home / 54,387.81-74,915.33-38,444.85

Finding the Fourth Proportional to 54,387.81, 74,915.33 and 38,444.85

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Solution

The fourth proportional to 54,387.81, 74,915.33 and 38,444.85 is: 52,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.81 : 74,915.33 = 38,444.85 : x
  2. Step 2: Convert to fraction form
    54,387.81/74,915.33 = 38,444.85/x
  3. Step 3: Cross multiply
    54,387.81x = 74,915.33 × 38,444.85
  4. Step 4: Simplify right side
    54,387.81x = 2,880,108,624.55
  5. Step 5: Solve for x
    x = 2,880,108,624.55/54,387.81
  6. Step 6: Final answer
    x = 52,955.04

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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.