Home / 36,932.05-55,392.84-21,085.64

Finding the Fourth Proportional to 36,932.05, 55,392.84 and 21,085.64

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Solution

The fourth proportional to 36,932.05, 55,392.84 and 21,085.64 is: 31,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,932.05 : 55,392.84 = 21,085.64 : x
  2. Step 2: Convert to fraction form
    36,932.05/55,392.84 = 21,085.64/x
  3. Step 3: Cross multiply
    36,932.05x = 55,392.84 × 21,085.64
  4. Step 4: Simplify right side
    36,932.05x = 1,167,993,510.07
  5. Step 5: Solve for x
    x = 1,167,993,510.07/36,932.05
  6. Step 6: Final answer
    x = 31,625.47

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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.