Home / 42,441.84-63,663.12-11,277.36

Finding the Fourth Proportional to 42,441.84, 63,663.12 and 11,277.36

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Solution

The fourth proportional to 42,441.84, 63,663.12 and 11,277.36 is: 16,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,441.84 : 63,663.12 = 11,277.36 : x
  2. Step 2: Convert to fraction form
    42,441.84/63,663.12 = 11,277.36/x
  3. Step 3: Cross multiply
    42,441.84x = 63,663.12 × 11,277.36
  4. Step 4: Simplify right side
    42,441.84x = 717,951,922.96
  5. Step 5: Solve for x
    x = 717,951,922.96/42,441.84
  6. Step 6: Final answer
    x = 16,916.14

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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.