Home / 34,672.72-47,848.30-18,757.12

Finding the Fourth Proportional to 34,672.72, 47,848.30 and 18,757.12

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Solution

The fourth proportional to 34,672.72, 47,848.30 and 18,757.12 is: 25,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,672.72 : 47,848.30 = 18,757.12 : x
  2. Step 2: Convert to fraction form
    34,672.72/47,848.30 = 18,757.12/x
  3. Step 3: Cross multiply
    34,672.72x = 47,848.30 × 18,757.12
  4. Step 4: Simplify right side
    34,672.72x = 897,496,304.90
  5. Step 5: Solve for x
    x = 897,496,304.90/34,672.72
  6. Step 6: Final answer
    x = 25,884.80

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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.