Home / 31,265.06-43,144.80-17,117.06

Finding the Fourth Proportional to 31,265.06, 43,144.80 and 17,117.06

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Solution

The fourth proportional to 31,265.06, 43,144.80 and 17,117.06 is: 23,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.06 : 43,144.80 = 17,117.06 : x
  2. Step 2: Convert to fraction form
    31,265.06/43,144.80 = 17,117.06/x
  3. Step 3: Cross multiply
    31,265.06x = 43,144.80 × 17,117.06
  4. Step 4: Simplify right side
    31,265.06x = 738,512,130.29
  5. Step 5: Solve for x
    x = 738,512,130.29/31,265.06
  6. Step 6: Final answer
    x = 23,621.00

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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.