Home / 42,601.98-63,903-19,201.08

Finding the Fourth Proportional to 42,601.98, 63,903 and 19,201.08

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Solution

The fourth proportional to 42,601.98, 63,903 and 19,201.08 is: 28,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601.98 : 63,903 = 19,201.08 : x
  2. Step 2: Convert to fraction form
    42,601.98/63,903 = 19,201.08/x
  3. Step 3: Cross multiply
    42,601.98x = 63,903 × 19,201.08
  4. Step 4: Simplify right side
    42,601.98x = 1,227,006,615.24
  5. Step 5: Solve for x
    x = 1,227,006,615.24/42,601.98
  6. Step 6: Final answer
    x = 28,801.63

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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.