Home / 31,402.13-43,336.96-17,977.73

Finding the Fourth Proportional to 31,402.13, 43,336.96 and 17,977.73

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Solution

The fourth proportional to 31,402.13, 43,336.96 and 17,977.73 is: 24,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.13 : 43,336.96 = 17,977.73 : x
  2. Step 2: Convert to fraction form
    31,402.13/43,336.96 = 17,977.73/x
  3. Step 3: Cross multiply
    31,402.13x = 43,336.96 × 17,977.73
  4. Step 4: Simplify right side
    31,402.13x = 779,099,904.27
  5. Step 5: Solve for x
    x = 779,099,904.27/31,402.13
  6. Step 6: Final answer
    x = 24,810.42

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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.