Home / 40,982.63-61,432.90-15,988.29

Finding the Fourth Proportional to 40,982.63, 61,432.90 and 15,988.29

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Solution

The fourth proportional to 40,982.63, 61,432.90 and 15,988.29 is: 23,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.63 : 61,432.90 = 15,988.29 : x
  2. Step 2: Convert to fraction form
    40,982.63/61,432.90 = 15,988.29/x
  3. Step 3: Cross multiply
    40,982.63x = 61,432.90 × 15,988.29
  4. Step 4: Simplify right side
    40,982.63x = 982,206,750.40
  5. Step 5: Solve for x
    x = 982,206,750.40/40,982.63
  6. Step 6: Final answer
    x = 23,966.42

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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.