Home / 47,638.23-71,454.47-21,335.91

Finding the Fourth Proportional to 47,638.23, 71,454.47 and 21,335.91

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Solution

The fourth proportional to 47,638.23, 71,454.47 and 21,335.91 is: 32,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.23 : 71,454.47 = 21,335.91 : x
  2. Step 2: Convert to fraction form
    47,638.23/71,454.47 = 21,335.91/x
  3. Step 3: Cross multiply
    47,638.23x = 71,454.47 × 21,335.91
  4. Step 4: Simplify right side
    47,638.23x = 1,524,546,034.34
  5. Step 5: Solve for x
    x = 1,524,546,034.34/47,638.23
  6. Step 6: Final answer
    x = 32,002.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.