Home / 31,294.83-43,172.42-27,713.45

Finding the Fourth Proportional to 31,294.83, 43,172.42 and 27,713.45

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Solution

The fourth proportional to 31,294.83, 43,172.42 and 27,713.45 is: 38,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.83 : 43,172.42 = 27,713.45 : x
  2. Step 2: Convert to fraction form
    31,294.83/43,172.42 = 27,713.45/x
  3. Step 3: Cross multiply
    31,294.83x = 43,172.42 × 27,713.45
  4. Step 4: Simplify right side
    31,294.83x = 1,196,456,703.05
  5. Step 5: Solve for x
    x = 1,196,456,703.05/31,294.83
  6. Step 6: Final answer
    x = 38,231.77

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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.