Home / 40,357.48-55,687.32-22,452.70

Finding the Fourth Proportional to 40,357.48, 55,687.32 and 22,452.70

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Solution

The fourth proportional to 40,357.48, 55,687.32 and 22,452.70 is: 30,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.48 : 55,687.32 = 22,452.70 : x
  2. Step 2: Convert to fraction form
    40,357.48/55,687.32 = 22,452.70/x
  3. Step 3: Cross multiply
    40,357.48x = 55,687.32 × 22,452.70
  4. Step 4: Simplify right side
    40,357.48x = 1,250,330,689.76
  5. Step 5: Solve for x
    x = 1,250,330,689.76/40,357.48
  6. Step 6: Final answer
    x = 30,981.39

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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.