Home / 45,144.21-62,278.32-29,233.78

Finding the Fourth Proportional to 45,144.21, 62,278.32 and 29,233.78

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Solution

The fourth proportional to 45,144.21, 62,278.32 and 29,233.78 is: 40,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.21 : 62,278.32 = 29,233.78 : x
  2. Step 2: Convert to fraction form
    45,144.21/62,278.32 = 29,233.78/x
  3. Step 3: Cross multiply
    45,144.21x = 62,278.32 × 29,233.78
  4. Step 4: Simplify right side
    45,144.21x = 1,820,630,705.65
  5. Step 5: Solve for x
    x = 1,820,630,705.65/45,144.21
  6. Step 6: Final answer
    x = 40,329.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.