Home / 31,261.15-43,140.63-17,114.23

Finding the Fourth Proportional to 31,261.15, 43,140.63 and 17,114.23

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Solution

The fourth proportional to 31,261.15, 43,140.63 and 17,114.23 is: 23,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.15 : 43,140.63 = 17,114.23 : x
  2. Step 2: Convert to fraction form
    31,261.15/43,140.63 = 17,114.23/x
  3. Step 3: Cross multiply
    31,261.15x = 43,140.63 × 17,114.23
  4. Step 4: Simplify right side
    31,261.15x = 738,318,664.16
  5. Step 5: Solve for x
    x = 738,318,664.16/31,261.15
  6. Step 6: Final answer
    x = 23,617.77

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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.