Home / 31,554.91-43,545.07-17,407.75

Finding the Fourth Proportional to 31,554.91, 43,545.07 and 17,407.75

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Solution

The fourth proportional to 31,554.91, 43,545.07 and 17,407.75 is: 24,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.91 : 43,545.07 = 17,407.75 : x
  2. Step 2: Convert to fraction form
    31,554.91/43,545.07 = 17,407.75/x
  3. Step 3: Cross multiply
    31,554.91x = 43,545.07 × 17,407.75
  4. Step 4: Simplify right side
    31,554.91x = 758,021,692.29
  5. Step 5: Solve for x
    x = 758,021,692.29/31,554.91
  6. Step 6: Final answer
    x = 24,022.31

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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.