Home / 31,398.68-43,330.20-17,252.58

Finding the Fourth Proportional to 31,398.68, 43,330.20 and 17,252.58

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Solution

The fourth proportional to 31,398.68, 43,330.20 and 17,252.58 is: 23,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.68 : 43,330.20 = 17,252.58 : x
  2. Step 2: Convert to fraction form
    31,398.68/43,330.20 = 17,252.58/x
  3. Step 3: Cross multiply
    31,398.68x = 43,330.20 × 17,252.58
  4. Step 4: Simplify right side
    31,398.68x = 747,557,741.92
  5. Step 5: Solve for x
    x = 747,557,741.92/31,398.68
  6. Step 6: Final answer
    x = 23,808.57

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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.