Home / 31,386.66-43,314.38-17,239.52

Finding the Fourth Proportional to 31,386.66, 43,314.38 and 17,239.52

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Solution

The fourth proportional to 31,386.66, 43,314.38 and 17,239.52 is: 23,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386.66 : 43,314.38 = 17,239.52 : x
  2. Step 2: Convert to fraction form
    31,386.66/43,314.38 = 17,239.52/x
  3. Step 3: Cross multiply
    31,386.66x = 43,314.38 × 17,239.52
  4. Step 4: Simplify right side
    31,386.66x = 746,718,817.53
  5. Step 5: Solve for x
    x = 746,718,817.53/31,386.66
  6. Step 6: Final answer
    x = 23,790.96

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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.