Home / 49,642.13-74,463.10-21,558.56

Finding the Fourth Proportional to 49,642.13, 74,463.10 and 21,558.56

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Solution

The fourth proportional to 49,642.13, 74,463.10 and 21,558.56 is: 32,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.13 : 74,463.10 = 21,558.56 : x
  2. Step 2: Convert to fraction form
    49,642.13/74,463.10 = 21,558.56/x
  3. Step 3: Cross multiply
    49,642.13x = 74,463.10 × 21,558.56
  4. Step 4: Simplify right side
    49,642.13x = 1,605,316,782.92
  5. Step 5: Solve for x
    x = 1,605,316,782.92/49,642.13
  6. Step 6: Final answer
    x = 32,337.79

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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.