Home / 29,209.88-40,283.17-19,134.65

Finding the Fourth Proportional to 29,209.88, 40,283.17 and 19,134.65

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Solution

The fourth proportional to 29,209.88, 40,283.17 and 19,134.65 is: 26,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,209.88 : 40,283.17 = 19,134.65 : x
  2. Step 2: Convert to fraction form
    29,209.88/40,283.17 = 19,134.65/x
  3. Step 3: Cross multiply
    29,209.88x = 40,283.17 × 19,134.65
  4. Step 4: Simplify right side
    29,209.88x = 770,804,358.84
  5. Step 5: Solve for x
    x = 770,804,358.84/29,209.88
  6. Step 6: Final answer
    x = 26,388.48

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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.