Home / 65,347.92-90,166.14-38,480.58

Finding the Fourth Proportional to 65,347.92, 90,166.14 and 38,480.58

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Solution

The fourth proportional to 65,347.92, 90,166.14 and 38,480.58 is: 53,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,347.92 : 90,166.14 = 38,480.58 : x
  2. Step 2: Convert to fraction form
    65,347.92/90,166.14 = 38,480.58/x
  3. Step 3: Cross multiply
    65,347.92x = 90,166.14 × 38,480.58
  4. Step 4: Simplify right side
    65,347.92x = 3,469,645,363.56
  5. Step 5: Solve for x
    x = 3,469,645,363.56/65,347.92
  6. Step 6: Final answer
    x = 53,094.96

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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.