Home / 31,434.23-43,379.77-18,006.66

Finding the Fourth Proportional to 31,434.23, 43,379.77 and 18,006.66

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Solution

The fourth proportional to 31,434.23, 43,379.77 and 18,006.66 is: 24,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.23 : 43,379.77 = 18,006.66 : x
  2. Step 2: Convert to fraction form
    31,434.23/43,379.77 = 18,006.66/x
  3. Step 3: Cross multiply
    31,434.23x = 43,379.77 × 18,006.66
  4. Step 4: Simplify right side
    31,434.23x = 781,124,758.01
  5. Step 5: Solve for x
    x = 781,124,758.01/31,434.23
  6. Step 6: Final answer
    x = 24,849.49

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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.