Home / 40,053.68-55,272.36-22,147.76

Finding the Fourth Proportional to 40,053.68, 55,272.36 and 22,147.76

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Solution

The fourth proportional to 40,053.68, 55,272.36 and 22,147.76 is: 30,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,053.68 : 55,272.36 = 22,147.76 : x
  2. Step 2: Convert to fraction form
    40,053.68/55,272.36 = 22,147.76/x
  3. Step 3: Cross multiply
    40,053.68x = 55,272.36 × 22,147.76
  4. Step 4: Simplify right side
    40,053.68x = 1,224,158,963.91
  5. Step 5: Solve for x
    x = 1,224,158,963.91/40,053.68
  6. Step 6: Final answer
    x = 30,562.96

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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.