Home / 30,270.92-45,335.90-29,219.74

Finding the Fourth Proportional to 30,270.92, 45,335.90 and 29,219.74

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Solution

The fourth proportional to 30,270.92, 45,335.90 and 29,219.74 is: 43,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.92 : 45,335.90 = 29,219.74 : x
  2. Step 2: Convert to fraction form
    30,270.92/45,335.90 = 29,219.74/x
  3. Step 3: Cross multiply
    30,270.92x = 45,335.90 × 29,219.74
  4. Step 4: Simplify right side
    30,270.92x = 1,324,703,170.38
  5. Step 5: Solve for x
    x = 1,324,703,170.38/30,270.92
  6. Step 6: Final answer
    x = 43,761.58

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1.5x scale

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.