Home / 40,160.18-55,419.54-23,165.12

Finding the Fourth Proportional to 40,160.18, 55,419.54 and 23,165.12

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Solution

The fourth proportional to 40,160.18, 55,419.54 and 23,165.12 is: 31,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.18 : 55,419.54 = 23,165.12 : x
  2. Step 2: Convert to fraction form
    40,160.18/55,419.54 = 23,165.12/x
  3. Step 3: Cross multiply
    40,160.18x = 55,419.54 × 23,165.12
  4. Step 4: Simplify right side
    40,160.18x = 1,283,800,294.44
  5. Step 5: Solve for x
    x = 1,283,800,294.44/40,160.18
  6. Step 6: Final answer
    x = 31,967.00

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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.