Home / 31,838.69-43,893.47-25,400.17

Finding the Fourth Proportional to 31,838.69, 43,893.47 and 25,400.17

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Solution

The fourth proportional to 31,838.69, 43,893.47 and 25,400.17 is: 35,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.69 : 43,893.47 = 25,400.17 : x
  2. Step 2: Convert to fraction form
    31,838.69/43,893.47 = 25,400.17/x
  3. Step 3: Cross multiply
    31,838.69x = 43,893.47 × 25,400.17
  4. Step 4: Simplify right side
    31,838.69x = 1,114,901,553.66
  5. Step 5: Solve for x
    x = 1,114,901,553.66/31,838.69
  6. Step 6: Final answer
    x = 35,017.20

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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.