Home / 29,229.12-43,823.46-18,705.60

Finding the Fourth Proportional to 29,229.12, 43,823.46 and 18,705.60

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Solution

The fourth proportional to 29,229.12, 43,823.46 and 18,705.60 is: 28,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.12 : 43,823.46 = 18,705.60 : x
  2. Step 2: Convert to fraction form
    29,229.12/43,823.46 = 18,705.60/x
  3. Step 3: Cross multiply
    29,229.12x = 43,823.46 × 18,705.60
  4. Step 4: Simplify right side
    29,229.12x = 819,744,113.38
  5. Step 5: Solve for x
    x = 819,744,113.38/29,229.12
  6. Step 6: Final answer
    x = 28,045.46

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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.