Home / 30,897.80-42,645.96-17,476.82

Finding the Fourth Proportional to 30,897.80, 42,645.96 and 17,476.82

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Solution

The fourth proportional to 30,897.80, 42,645.96 and 17,476.82 is: 24,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.80 : 42,645.96 = 17,476.82 : x
  2. Step 2: Convert to fraction form
    30,897.80/42,645.96 = 17,476.82/x
  3. Step 3: Cross multiply
    30,897.80x = 42,645.96 × 17,476.82
  4. Step 4: Simplify right side
    30,897.80x = 745,315,766.65
  5. Step 5: Solve for x
    x = 745,315,766.65/30,897.80
  6. Step 6: Final answer
    x = 24,121.97

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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.