Home / 31,193.60-43,042.19-17,765.10

Finding the Fourth Proportional to 31,193.60, 43,042.19 and 17,765.10

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Solution

The fourth proportional to 31,193.60, 43,042.19 and 17,765.10 is: 24,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,193.60 : 43,042.19 = 17,765.10 : x
  2. Step 2: Convert to fraction form
    31,193.60/43,042.19 = 17,765.10/x
  3. Step 3: Cross multiply
    31,193.60x = 43,042.19 × 17,765.10
  4. Step 4: Simplify right side
    31,193.60x = 764,648,720.74
  5. Step 5: Solve for x
    x = 764,648,720.74/31,193.60
  6. Step 6: Final answer
    x = 24,513.00

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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.