Home / 31,930.62-44,064.26-18,509.68

Finding the Fourth Proportional to 31,930.62, 44,064.26 and 18,509.68

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Solution

The fourth proportional to 31,930.62, 44,064.26 and 18,509.68 is: 25,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.62 : 44,064.26 = 18,509.68 : x
  2. Step 2: Convert to fraction form
    31,930.62/44,064.26 = 18,509.68/x
  3. Step 3: Cross multiply
    31,930.62x = 44,064.26 × 18,509.68
  4. Step 4: Simplify right side
    31,930.62x = 815,615,383.98
  5. Step 5: Solve for x
    x = 815,615,383.98/31,930.62
  6. Step 6: Final answer
    x = 25,543.36

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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.