Home / 40,159.48-55,422.52-23,163.42

Finding the Fourth Proportional to 40,159.48, 55,422.52 and 23,163.42

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Solution

The fourth proportional to 40,159.48, 55,422.52 and 23,163.42 is: 31,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.48 : 55,422.52 = 23,163.42 : x
  2. Step 2: Convert to fraction form
    40,159.48/55,422.52 = 23,163.42/x
  3. Step 3: Cross multiply
    40,159.48x = 55,422.52 × 23,163.42
  4. Step 4: Simplify right side
    40,159.48x = 1,283,775,108.22
  5. Step 5: Solve for x
    x = 1,283,775,108.22/40,159.48
  6. Step 6: Final answer
    x = 31,966.93

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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.