Home / 30,378.27-41,618.46-29,242.15

Finding the Fourth Proportional to 30,378.27, 41,618.46 and 29,242.15

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Solution

The fourth proportional to 30,378.27, 41,618.46 and 29,242.15 is: 40,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.27 : 41,618.46 = 29,242.15 : x
  2. Step 2: Convert to fraction form
    30,378.27/41,618.46 = 29,242.15/x
  3. Step 3: Cross multiply
    30,378.27x = 41,618.46 × 29,242.15
  4. Step 4: Simplify right side
    30,378.27x = 1,217,013,255.70
  5. Step 5: Solve for x
    x = 1,217,013,255.70/30,378.27
  6. Step 6: Final answer
    x = 40,061.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.