Home / 42,392.79-63,589.14-11,228.04

Finding the Fourth Proportional to 42,392.79, 63,589.14 and 11,228.04

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Solution

The fourth proportional to 42,392.79, 63,589.14 and 11,228.04 is: 16,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.79 : 63,589.14 = 11,228.04 : x
  2. Step 2: Convert to fraction form
    42,392.79/63,589.14 = 11,228.04/x
  3. Step 3: Cross multiply
    42,392.79x = 63,589.14 × 11,228.04
  4. Step 4: Simplify right side
    42,392.79x = 713,981,407.49
  5. Step 5: Solve for x
    x = 713,981,407.49/42,392.79
  6. Step 6: Final answer
    x = 16,842.05

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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.