Home / 31,265.56-43,145.49-17,117.56

Finding the Fourth Proportional to 31,265.56, 43,145.49 and 17,117.56

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Solution

The fourth proportional to 31,265.56, 43,145.49 and 17,117.56 is: 23,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.56 : 43,145.49 = 17,117.56 : x
  2. Step 2: Convert to fraction form
    31,265.56/43,145.49 = 17,117.56/x
  3. Step 3: Cross multiply
    31,265.56x = 43,145.49 × 17,117.56
  4. Step 4: Simplify right side
    31,265.56x = 738,545,513.80
  5. Step 5: Solve for x
    x = 738,545,513.80/31,265.56
  6. Step 6: Final answer
    x = 23,621.69

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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.