Home / 31,261.27-43,140.54-17,114.11

Finding the Fourth Proportional to 31,261.27, 43,140.54 and 17,114.11

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Solution

The fourth proportional to 31,261.27, 43,140.54 and 17,114.11 is: 23,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.27 : 43,140.54 = 17,114.11 : x
  2. Step 2: Convert to fraction form
    31,261.27/43,140.54 = 17,114.11/x
  3. Step 3: Cross multiply
    31,261.27x = 43,140.54 × 17,114.11
  4. Step 4: Simplify right side
    31,261.27x = 738,311,731.32
  5. Step 5: Solve for x
    x = 738,311,731.32/31,261.27
  6. Step 6: Final answer
    x = 23,617.46

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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.