Home / 29,329.16-43,990.28-8,270.78

Finding the Fourth Proportional to 29,329.16, 43,990.28 and 8,270.78

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Solution

The fourth proportional to 29,329.16, 43,990.28 and 8,270.78 is: 12,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.16 : 43,990.28 = 8,270.78 : x
  2. Step 2: Convert to fraction form
    29,329.16/43,990.28 = 8,270.78/x
  3. Step 3: Cross multiply
    29,329.16x = 43,990.28 × 8,270.78
  4. Step 4: Simplify right side
    29,329.16x = 363,833,928.02
  5. Step 5: Solve for x
    x = 363,833,928.02/29,329.16
  6. Step 6: Final answer
    x = 12,405.19

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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.