Home / 45,881.20-68,821.80-14,719.60

Finding the Fourth Proportional to 45,881.20, 68,821.80 and 14,719.60

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Solution

The fourth proportional to 45,881.20, 68,821.80 and 14,719.60 is: 22,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,881.20 : 68,821.80 = 14,719.60 : x
  2. Step 2: Convert to fraction form
    45,881.20/68,821.80 = 14,719.60/x
  3. Step 3: Cross multiply
    45,881.20x = 68,821.80 × 14,719.60
  4. Step 4: Simplify right side
    45,881.20x = 1,013,029,367.28
  5. Step 5: Solve for x
    x = 1,013,029,367.28/45,881.20
  6. Step 6: Final answer
    x = 22,079.40

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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.