Home / 40,215.42-55,446.78-29,441.58

Finding the Fourth Proportional to 40,215.42, 55,446.78 and 29,441.58

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Solution

The fourth proportional to 40,215.42, 55,446.78 and 29,441.58 is: 40,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.42 : 55,446.78 = 29,441.58 : x
  2. Step 2: Convert to fraction form
    40,215.42/55,446.78 = 29,441.58/x
  3. Step 3: Cross multiply
    40,215.42x = 55,446.78 × 29,441.58
  4. Step 4: Simplify right side
    40,215.42x = 1,632,440,661.90
  5. Step 5: Solve for x
    x = 1,632,440,661.90/40,215.42
  6. Step 6: Final answer
    x = 40,592.41

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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.