Home / 30,180.52-41,620.12-18,079.09

Finding the Fourth Proportional to 30,180.52, 41,620.12 and 18,079.09

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Solution

The fourth proportional to 30,180.52, 41,620.12 and 18,079.09 is: 24,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.52 : 41,620.12 = 18,079.09 : x
  2. Step 2: Convert to fraction form
    30,180.52/41,620.12 = 18,079.09/x
  3. Step 3: Cross multiply
    30,180.52x = 41,620.12 × 18,079.09
  4. Step 4: Simplify right side
    30,180.52x = 752,453,895.29
  5. Step 5: Solve for x
    x = 752,453,895.29/30,180.52
  6. Step 6: Final answer
    x = 24,931.77

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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.