Home / 49,777.83-74,670.39-19,803.78

Finding the Fourth Proportional to 49,777.83, 74,670.39 and 19,803.78

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Solution

The fourth proportional to 49,777.83, 74,670.39 and 19,803.78 is: 29,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.83 : 74,670.39 = 19,803.78 : x
  2. Step 2: Convert to fraction form
    49,777.83/74,670.39 = 19,803.78/x
  3. Step 3: Cross multiply
    49,777.83x = 74,670.39 × 19,803.78
  4. Step 4: Simplify right side
    49,777.83x = 1,478,755,976.07
  5. Step 5: Solve for x
    x = 1,478,755,976.07/49,777.83
  6. Step 6: Final answer
    x = 29,707.12

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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.