Home / 36,077.40-49,802.14-21,934.76

Finding the Fourth Proportional to 36,077.40, 49,802.14 and 21,934.76

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Solution

The fourth proportional to 36,077.40, 49,802.14 and 21,934.76 is: 30,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.40 : 49,802.14 = 21,934.76 : x
  2. Step 2: Convert to fraction form
    36,077.40/49,802.14 = 21,934.76/x
  3. Step 3: Cross multiply
    36,077.40x = 49,802.14 × 21,934.76
  4. Step 4: Simplify right side
    36,077.40x = 1,092,397,988.39
  5. Step 5: Solve for x
    x = 1,092,397,988.39/36,077.40
  6. Step 6: Final answer
    x = 30,279.29

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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.