Home / 47,189.20-65,099.28-28,293.52

Finding the Fourth Proportional to 47,189.20, 65,099.28 and 28,293.52

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Solution

The fourth proportional to 47,189.20, 65,099.28 and 28,293.52 is: 39,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.20 : 65,099.28 = 28,293.52 : x
  2. Step 2: Convert to fraction form
    47,189.20/65,099.28 = 28,293.52/x
  3. Step 3: Cross multiply
    47,189.20x = 65,099.28 × 28,293.52
  4. Step 4: Simplify right side
    47,189.20x = 1,841,887,780.67
  5. Step 5: Solve for x
    x = 1,841,887,780.67/47,189.20
  6. Step 6: Final answer
    x = 39,031.98

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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.