Home / 43,280.30-64,949.45-15,200.46

Finding the Fourth Proportional to 43,280.30, 64,949.45 and 15,200.46

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Solution

The fourth proportional to 43,280.30, 64,949.45 and 15,200.46 is: 22,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.30 : 64,949.45 = 15,200.46 : x
  2. Step 2: Convert to fraction form
    43,280.30/64,949.45 = 15,200.46/x
  3. Step 3: Cross multiply
    43,280.30x = 64,949.45 × 15,200.46
  4. Step 4: Simplify right side
    43,280.30x = 987,261,478.75
  5. Step 5: Solve for x
    x = 987,261,478.75/43,280.30
  6. Step 6: Final answer
    x = 22,810.87

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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.