Home / 36,177.30-49,920.30-21,072.42

Finding the Fourth Proportional to 36,177.30, 49,920.30 and 21,072.42

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Solution

The fourth proportional to 36,177.30, 49,920.30 and 21,072.42 is: 29,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177.30 : 49,920.30 = 21,072.42 : x
  2. Step 2: Convert to fraction form
    36,177.30/49,920.30 = 21,072.42/x
  3. Step 3: Cross multiply
    36,177.30x = 49,920.30 × 21,072.42
  4. Step 4: Simplify right side
    36,177.30x = 1,051,941,528.13
  5. Step 5: Solve for x
    x = 1,051,941,528.13/36,177.30
  6. Step 6: Final answer
    x = 29,077.39

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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.