Home / 29,293.76-43,921.20-18,899.84

Finding the Fourth Proportional to 29,293.76, 43,921.20 and 18,899.84

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Solution

The fourth proportional to 29,293.76, 43,921.20 and 18,899.84 is: 28,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.76 : 43,921.20 = 18,899.84 : x
  2. Step 2: Convert to fraction form
    29,293.76/43,921.20 = 18,899.84/x
  3. Step 3: Cross multiply
    29,293.76x = 43,921.20 × 18,899.84
  4. Step 4: Simplify right side
    29,293.76x = 830,103,652.61
  5. Step 5: Solve for x
    x = 830,103,652.61/29,293.76
  6. Step 6: Final answer
    x = 28,337.22

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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.