Home / 30,726.03-42,405.96-17,299.90

Finding the Fourth Proportional to 30,726.03, 42,405.96 and 17,299.90

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Solution

The fourth proportional to 30,726.03, 42,405.96 and 17,299.90 is: 23,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726.03 : 42,405.96 = 17,299.90 : x
  2. Step 2: Convert to fraction form
    30,726.03/42,405.96 = 17,299.90/x
  3. Step 3: Cross multiply
    30,726.03x = 42,405.96 × 17,299.90
  4. Step 4: Simplify right side
    30,726.03x = 733,618,568.87
  5. Step 5: Solve for x
    x = 733,618,568.87/30,726.03
  6. Step 6: Final answer
    x = 23,876.13

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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.