Home / 43,545.49-65,255.19-30,022.78

Finding the Fourth Proportional to 43,545.49, 65,255.19 and 30,022.78

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Solution

The fourth proportional to 43,545.49, 65,255.19 and 30,022.78 is: 44,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,545.49 : 65,255.19 = 30,022.78 : x
  2. Step 2: Convert to fraction form
    43,545.49/65,255.19 = 30,022.78/x
  3. Step 3: Cross multiply
    43,545.49x = 65,255.19 × 30,022.78
  4. Step 4: Simplify right side
    43,545.49x = 1,959,142,213.23
  5. Step 5: Solve for x
    x = 1,959,142,213.23/43,545.49
  6. Step 6: Final answer
    x = 44,990.70

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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.