Home / 62,121.76-85,730.30-33,829.52

Finding the Fourth Proportional to 62,121.76, 85,730.30 and 33,829.52

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Solution

The fourth proportional to 62,121.76, 85,730.30 and 33,829.52 is: 46,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.76 : 85,730.30 = 33,829.52 : x
  2. Step 2: Convert to fraction form
    62,121.76/85,730.30 = 33,829.52/x
  3. Step 3: Cross multiply
    62,121.76x = 85,730.30 × 33,829.52
  4. Step 4: Simplify right side
    62,121.76x = 2,900,214,898.46
  5. Step 5: Solve for x
    x = 2,900,214,898.46/62,121.76
  6. Step 6: Final answer
    x = 46,685.97

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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.