Home / 40,905.20-61,228.20-29,241.20

Finding the Fourth Proportional to 40,905.20, 61,228.20 and 29,241.20

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Solution

The fourth proportional to 40,905.20, 61,228.20 and 29,241.20 is: 43,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.20 : 61,228.20 = 29,241.20 : x
  2. Step 2: Convert to fraction form
    40,905.20/61,228.20 = 29,241.20/x
  3. Step 3: Cross multiply
    40,905.20x = 61,228.20 × 29,241.20
  4. Step 4: Simplify right side
    40,905.20x = 1,790,386,041.84
  5. Step 5: Solve for x
    x = 1,790,386,041.84/40,905.20
  6. Step 6: Final answer
    x = 43,769.16

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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.