Home / 40,053.75-55,272.02-22,147.71

Finding the Fourth Proportional to 40,053.75, 55,272.02 and 22,147.71

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Solution

The fourth proportional to 40,053.75, 55,272.02 and 22,147.71 is: 30,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,053.75 : 55,272.02 = 22,147.71 : x
  2. Step 2: Convert to fraction form
    40,053.75/55,272.02 = 22,147.71/x
  3. Step 3: Cross multiply
    40,053.75x = 55,272.02 × 22,147.71
  4. Step 4: Simplify right side
    40,053.75x = 1,224,148,559.34
  5. Step 5: Solve for x
    x = 1,224,148,559.34/40,053.75
  6. Step 6: Final answer
    x = 30,562.65

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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.