Home / 39,757.22-54,868.74-22,762.80

Finding the Fourth Proportional to 39,757.22, 54,868.74 and 22,762.80

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Solution

The fourth proportional to 39,757.22, 54,868.74 and 22,762.80 is: 31,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.22 : 54,868.74 = 22,762.80 : x
  2. Step 2: Convert to fraction form
    39,757.22/54,868.74 = 22,762.80/x
  3. Step 3: Cross multiply
    39,757.22x = 54,868.74 × 22,762.80
  4. Step 4: Simplify right side
    39,757.22x = 1,248,966,154.87
  5. Step 5: Solve for x
    x = 1,248,966,154.87/39,757.22
  6. Step 6: Final answer
    x = 31,414.83

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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.