Home / 42,631.88-63,947.88-13,049.84

Finding the Fourth Proportional to 42,631.88, 63,947.88 and 13,049.84

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Solution

The fourth proportional to 42,631.88, 63,947.88 and 13,049.84 is: 19,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.88 : 63,947.88 = 13,049.84 : x
  2. Step 2: Convert to fraction form
    42,631.88/63,947.88 = 13,049.84/x
  3. Step 3: Cross multiply
    42,631.88x = 63,947.88 × 13,049.84
  4. Step 4: Simplify right side
    42,631.88x = 834,509,602.34
  5. Step 5: Solve for x
    x = 834,509,602.34/42,631.88
  6. Step 6: Final answer
    x = 19,574.78

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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.