Home / 31,332.15-43,238.07-17,185.05

Finding the Fourth Proportional to 31,332.15, 43,238.07 and 17,185.05

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Solution

The fourth proportional to 31,332.15, 43,238.07 and 17,185.05 is: 23,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.15 : 43,238.07 = 17,185.05 : x
  2. Step 2: Convert to fraction form
    31,332.15/43,238.07 = 17,185.05/x
  3. Step 3: Cross multiply
    31,332.15x = 43,238.07 × 17,185.05
  4. Step 4: Simplify right side
    31,332.15x = 743,048,394.85
  5. Step 5: Solve for x
    x = 743,048,394.85/31,332.15
  6. Step 6: Final answer
    x = 23,715.21

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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.