Home / 39,758.10-54,862.88-22,758.42

Finding the Fourth Proportional to 39,758.10, 54,862.88 and 22,758.42

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Solution

The fourth proportional to 39,758.10, 54,862.88 and 22,758.42 is: 31,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.10 : 54,862.88 = 22,758.42 : x
  2. Step 2: Convert to fraction form
    39,758.10/54,862.88 = 22,758.42/x
  3. Step 3: Cross multiply
    39,758.10x = 54,862.88 × 22,758.42
  4. Step 4: Simplify right side
    39,758.10x = 1,248,592,465.45
  5. Step 5: Solve for x
    x = 1,248,592,465.45/39,758.10
  6. Step 6: Final answer
    x = 31,404.73

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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.