Home / 35,043.97-48,359.92-19,128.69

Finding the Fourth Proportional to 35,043.97, 48,359.92 and 19,128.69

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Solution

The fourth proportional to 35,043.97, 48,359.92 and 19,128.69 is: 26,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.97 : 48,359.92 = 19,128.69 : x
  2. Step 2: Convert to fraction form
    35,043.97/48,359.92 = 19,128.69/x
  3. Step 3: Cross multiply
    35,043.97x = 48,359.92 × 19,128.69
  4. Step 4: Simplify right side
    35,043.97x = 925,061,918.10
  5. Step 5: Solve for x
    x = 925,061,918.10/35,043.97
  6. Step 6: Final answer
    x = 26,397.18

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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.