Home / 37,816-52,186.32-21,049.12

Finding the Fourth Proportional to 37,816, 52,186.32 and 21,049.12

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Solution

The fourth proportional to 37,816, 52,186.32 and 21,049.12 is: 29,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,816 : 52,186.32 = 21,049.12 : x
  2. Step 2: Convert to fraction form
    37,816/52,186.32 = 21,049.12/x
  3. Step 3: Cross multiply
    37,816x = 52,186.32 × 21,049.12
  4. Step 4: Simplify right side
    37,816x = 1,098,476,112.04
  5. Step 5: Solve for x
    x = 1,098,476,112.04/37,816
  6. Step 6: Final answer
    x = 29,047.92

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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.