Home / 29,520.56-44,277.60-18,405.20

Finding the Fourth Proportional to 29,520.56, 44,277.60 and 18,405.20

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Solution

The fourth proportional to 29,520.56, 44,277.60 and 18,405.20 is: 27,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.56 : 44,277.60 = 18,405.20 : x
  2. Step 2: Convert to fraction form
    29,520.56/44,277.60 = 18,405.20/x
  3. Step 3: Cross multiply
    29,520.56x = 44,277.60 × 18,405.20
  4. Step 4: Simplify right side
    29,520.56x = 814,938,083.52
  5. Step 5: Solve for x
    x = 814,938,083.52/29,520.56
  6. Step 6: Final answer
    x = 27,605.78

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1.5x scale

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.