Home / 36,004.52-49,695.13-21,869.21

Finding the Fourth Proportional to 36,004.52, 49,695.13 and 21,869.21

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Solution

The fourth proportional to 36,004.52, 49,695.13 and 21,869.21 is: 30,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.52 : 49,695.13 = 21,869.21 : x
  2. Step 2: Convert to fraction form
    36,004.52/49,695.13 = 21,869.21/x
  3. Step 3: Cross multiply
    36,004.52x = 49,695.13 × 21,869.21
  4. Step 4: Simplify right side
    36,004.52x = 1,086,793,233.95
  5. Step 5: Solve for x
    x = 1,086,793,233.95/36,004.52
  6. Step 6: Final answer
    x = 30,184.91

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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.