Home / 31,930.43-44,063.98-18,509.47

Finding the Fourth Proportional to 31,930.43, 44,063.98 and 18,509.47

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Solution

The fourth proportional to 31,930.43, 44,063.98 and 18,509.47 is: 25,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.43 : 44,063.98 = 18,509.47 : x
  2. Step 2: Convert to fraction form
    31,930.43/44,063.98 = 18,509.47/x
  3. Step 3: Cross multiply
    31,930.43x = 44,063.98 × 18,509.47
  4. Step 4: Simplify right side
    31,930.43x = 815,600,759.46
  5. Step 5: Solve for x
    x = 815,600,759.46/31,930.43
  6. Step 6: Final answer
    x = 25,543.06

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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.