Home / 31,443.85-43,390.14-17,297.61

Finding the Fourth Proportional to 31,443.85, 43,390.14 and 17,297.61

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Solution

The fourth proportional to 31,443.85, 43,390.14 and 17,297.61 is: 23,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.85 : 43,390.14 = 17,297.61 : x
  2. Step 2: Convert to fraction form
    31,443.85/43,390.14 = 17,297.61/x
  3. Step 3: Cross multiply
    31,443.85x = 43,390.14 × 17,297.61
  4. Step 4: Simplify right side
    31,443.85x = 750,545,719.57
  5. Step 5: Solve for x
    x = 750,545,719.57/31,443.85
  6. Step 6: Final answer
    x = 23,869.40

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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.