Home / 39,401.46-54,373.75-22,405.71

Finding the Fourth Proportional to 39,401.46, 54,373.75 and 22,405.71

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Solution

The fourth proportional to 39,401.46, 54,373.75 and 22,405.71 is: 30,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.46 : 54,373.75 = 22,405.71 : x
  2. Step 2: Convert to fraction form
    39,401.46/54,373.75 = 22,405.71/x
  3. Step 3: Cross multiply
    39,401.46x = 54,373.75 × 22,405.71
  4. Step 4: Simplify right side
    39,401.46x = 1,218,282,474.11
  5. Step 5: Solve for x
    x = 1,218,282,474.11/39,401.46
  6. Step 6: Final answer
    x = 30,919.73

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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.