Home / 40,423.68-55,779.84-22,514.56

Finding the Fourth Proportional to 40,423.68, 55,779.84 and 22,514.56

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Solution

The fourth proportional to 40,423.68, 55,779.84 and 22,514.56 is: 31,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.68 : 55,779.84 = 22,514.56 : x
  2. Step 2: Convert to fraction form
    40,423.68/55,779.84 = 22,514.56/x
  3. Step 3: Cross multiply
    40,423.68x = 55,779.84 × 22,514.56
  4. Step 4: Simplify right side
    40,423.68x = 1,255,858,554.47
  5. Step 5: Solve for x
    x = 1,255,858,554.47/40,423.68
  6. Step 6: Final answer
    x = 31,067.40

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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.