Home / 39,401.93-54,374.76-22,405.75

Finding the Fourth Proportional to 39,401.93, 54,374.76 and 22,405.75

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Solution

The fourth proportional to 39,401.93, 54,374.76 and 22,405.75 is: 30,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.93 : 54,374.76 = 22,405.75 : x
  2. Step 2: Convert to fraction form
    39,401.93/54,374.76 = 22,405.75/x
  3. Step 3: Cross multiply
    39,401.93x = 54,374.76 × 22,405.75
  4. Step 4: Simplify right side
    39,401.93x = 1,218,307,278.87
  5. Step 5: Solve for x
    x = 1,218,307,278.87/39,401.93
  6. Step 6: Final answer
    x = 30,919.99

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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.