Home / 34,538.33-47,654.91-20,393.30

Finding the Fourth Proportional to 34,538.33, 47,654.91 and 20,393.30

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Solution

The fourth proportional to 34,538.33, 47,654.91 and 20,393.30 is: 28,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,538.33 : 47,654.91 = 20,393.30 : x
  2. Step 2: Convert to fraction form
    34,538.33/47,654.91 = 20,393.30/x
  3. Step 3: Cross multiply
    34,538.33x = 47,654.91 × 20,393.30
  4. Step 4: Simplify right side
    34,538.33x = 971,840,876.10
  5. Step 5: Solve for x
    x = 971,840,876.10/34,538.33
  6. Step 6: Final answer
    x = 28,138.04

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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.