Home / 36,214.50-49,976.15-21,117.59

Finding the Fourth Proportional to 36,214.50, 49,976.15 and 21,117.59

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Solution

The fourth proportional to 36,214.50, 49,976.15 and 21,117.59 is: 29,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.50 : 49,976.15 = 21,117.59 : x
  2. Step 2: Convert to fraction form
    36,214.50/49,976.15 = 21,117.59/x
  3. Step 3: Cross multiply
    36,214.50x = 49,976.15 × 21,117.59
  4. Step 4: Simplify right side
    36,214.50x = 1,055,375,490.01
  5. Step 5: Solve for x
    x = 1,055,375,490.01/36,214.50
  6. Step 6: Final answer
    x = 29,142.35

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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.