Home / 34,986.33-48,279.32-19,876.90

Finding the Fourth Proportional to 34,986.33, 48,279.32 and 19,876.90

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Solution

The fourth proportional to 34,986.33, 48,279.32 and 19,876.90 is: 27,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.33 : 48,279.32 = 19,876.90 : x
  2. Step 2: Convert to fraction form
    34,986.33/48,279.32 = 19,876.90/x
  3. Step 3: Cross multiply
    34,986.33x = 48,279.32 × 19,876.90
  4. Step 4: Simplify right side
    34,986.33x = 959,643,143.38
  5. Step 5: Solve for x
    x = 959,643,143.38/34,986.33
  6. Step 6: Final answer
    x = 27,429.08

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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.