Home / 31,479.51-43,440.06-17,329.62

Finding the Fourth Proportional to 31,479.51, 43,440.06 and 17,329.62

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Solution

The fourth proportional to 31,479.51, 43,440.06 and 17,329.62 is: 23,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.51 : 43,440.06 = 17,329.62 : x
  2. Step 2: Convert to fraction form
    31,479.51/43,440.06 = 17,329.62/x
  3. Step 3: Cross multiply
    31,479.51x = 43,440.06 × 17,329.62
  4. Step 4: Simplify right side
    31,479.51x = 752,799,732.58
  5. Step 5: Solve for x
    x = 752,799,732.58/31,479.51
  6. Step 6: Final answer
    x = 23,913.96

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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.