Home / 36,921.48-50,943.40-21,803.82

Finding the Fourth Proportional to 36,921.48, 50,943.40 and 21,803.82

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Solution

The fourth proportional to 36,921.48, 50,943.40 and 21,803.82 is: 30,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.48 : 50,943.40 = 21,803.82 : x
  2. Step 2: Convert to fraction form
    36,921.48/50,943.40 = 21,803.82/x
  3. Step 3: Cross multiply
    36,921.48x = 50,943.40 × 21,803.82
  4. Step 4: Simplify right side
    36,921.48x = 1,110,760,723.79
  5. Step 5: Solve for x
    x = 1,110,760,723.79/36,921.48
  6. Step 6: Final answer
    x = 30,084.40

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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.