Home / 40,281.60-60,434.46-13,986.48

Finding the Fourth Proportional to 40,281.60, 60,434.46 and 13,986.48

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Solution

The fourth proportional to 40,281.60, 60,434.46 and 13,986.48 is: 20,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.60 : 60,434.46 = 13,986.48 : x
  2. Step 2: Convert to fraction form
    40,281.60/60,434.46 = 13,986.48/x
  3. Step 3: Cross multiply
    40,281.60x = 60,434.46 × 13,986.48
  4. Step 4: Simplify right side
    40,281.60x = 845,265,366.10
  5. Step 5: Solve for x
    x = 845,265,366.10/40,281.60
  6. Step 6: Final answer
    x = 20,983.91

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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.