Home / 54,391.71-75,060.48-30,520.60

Finding the Fourth Proportional to 54,391.71, 75,060.48 and 30,520.60

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Solution

The fourth proportional to 54,391.71, 75,060.48 and 30,520.60 is: 42,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.71 : 75,060.48 = 30,520.60 : x
  2. Step 2: Convert to fraction form
    54,391.71/75,060.48 = 30,520.60/x
  3. Step 3: Cross multiply
    54,391.71x = 75,060.48 × 30,520.60
  4. Step 4: Simplify right side
    54,391.71x = 2,290,890,885.89
  5. Step 5: Solve for x
    x = 2,290,890,885.89/54,391.71
  6. Step 6: Final answer
    x = 42,118.39

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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.