Home / 31,187.33-43,038.66-17,040.18

Finding the Fourth Proportional to 31,187.33, 43,038.66 and 17,040.18

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Solution

The fourth proportional to 31,187.33, 43,038.66 and 17,040.18 is: 23,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.33 : 43,038.66 = 17,040.18 : x
  2. Step 2: Convert to fraction form
    31,187.33/43,038.66 = 17,040.18/x
  3. Step 3: Cross multiply
    31,187.33x = 43,038.66 × 17,040.18
  4. Step 4: Simplify right side
    31,187.33x = 733,386,400.71
  5. Step 5: Solve for x
    x = 733,386,400.71/31,187.33
  6. Step 6: Final answer
    x = 23,515.52

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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.