Home / 36,315.76-50,126.08-21,211.92

Finding the Fourth Proportional to 36,315.76, 50,126.08 and 21,211.92

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Solution

The fourth proportional to 36,315.76, 50,126.08 and 21,211.92 is: 29,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,315.76 : 50,126.08 = 21,211.92 : x
  2. Step 2: Convert to fraction form
    36,315.76/50,126.08 = 21,211.92/x
  3. Step 3: Cross multiply
    36,315.76x = 50,126.08 × 21,211.92
  4. Step 4: Simplify right side
    36,315.76x = 1,063,270,398.87
  5. Step 5: Solve for x
    x = 1,063,270,398.87/36,315.76
  6. Step 6: Final answer
    x = 29,278.48

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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.