Home / 31,498.38-43,455.60-18,064.80

Finding the Fourth Proportional to 31,498.38, 43,455.60 and 18,064.80

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Solution

The fourth proportional to 31,498.38, 43,455.60 and 18,064.80 is: 24,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498.38 : 43,455.60 = 18,064.80 : x
  2. Step 2: Convert to fraction form
    31,498.38/43,455.60 = 18,064.80/x
  3. Step 3: Cross multiply
    31,498.38x = 43,455.60 × 18,064.80
  4. Step 4: Simplify right side
    31,498.38x = 785,016,722.88
  5. Step 5: Solve for x
    x = 785,016,722.88/31,498.38
  6. Step 6: Final answer
    x = 24,922.45

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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.