Home / 40,160.12-55,419.44-23,165.08

Finding the Fourth Proportional to 40,160.12, 55,419.44 and 23,165.08

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Solution

The fourth proportional to 40,160.12, 55,419.44 and 23,165.08 is: 31,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.12 : 55,419.44 = 23,165.08 : x
  2. Step 2: Convert to fraction form
    40,160.12/55,419.44 = 23,165.08/x
  3. Step 3: Cross multiply
    40,160.12x = 55,419.44 × 23,165.08
  4. Step 4: Simplify right side
    40,160.12x = 1,283,795,761.16
  5. Step 5: Solve for x
    x = 1,283,795,761.16/40,160.12
  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.