Home / 31,302.33-43,195.77-17,154.87

Finding the Fourth Proportional to 31,302.33, 43,195.77 and 17,154.87

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Solution

The fourth proportional to 31,302.33, 43,195.77 and 17,154.87 is: 23,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.33 : 43,195.77 = 17,154.87 : x
  2. Step 2: Convert to fraction form
    31,302.33/43,195.77 = 17,154.87/x
  3. Step 3: Cross multiply
    31,302.33x = 43,195.77 × 17,154.87
  4. Step 4: Simplify right side
    31,302.33x = 741,017,818.90
  5. Step 5: Solve for x
    x = 741,017,818.90/31,302.33
  6. Step 6: Final answer
    x = 23,672.93

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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.