Home / 36,891.92-55,393.24-21,114.76

Finding the Fourth Proportional to 36,891.92, 55,393.24 and 21,114.76

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Solution

The fourth proportional to 36,891.92, 55,393.24 and 21,114.76 is: 31,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.92 : 55,393.24 = 21,114.76 : x
  2. Step 2: Convert to fraction form
    36,891.92/55,393.24 = 21,114.76/x
  3. Step 3: Cross multiply
    36,891.92x = 55,393.24 × 21,114.76
  4. Step 4: Simplify right side
    36,891.92x = 1,169,614,968.22
  5. Step 5: Solve for x
    x = 1,169,614,968.22/36,891.92
  6. Step 6: Final answer
    x = 31,703.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.