Home / 31,535.74-43,519.89-17,195.68

Finding the Fourth Proportional to 31,535.74, 43,519.89 and 17,195.68

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Solution

The fourth proportional to 31,535.74, 43,519.89 and 17,195.68 is: 23,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.74 : 43,519.89 = 17,195.68 : x
  2. Step 2: Convert to fraction form
    31,535.74/43,519.89 = 17,195.68/x
  3. Step 3: Cross multiply
    31,535.74x = 43,519.89 × 17,195.68
  4. Step 4: Simplify right side
    31,535.74x = 748,354,102.08
  5. Step 5: Solve for x
    x = 748,354,102.08/31,535.74
  6. Step 6: Final answer
    x = 23,730.35

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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.