Home / 42,575.28-63,896.94-19,203.54

Finding the Fourth Proportional to 42,575.28, 63,896.94 and 19,203.54

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Solution

The fourth proportional to 42,575.28, 63,896.94 and 19,203.54 is: 28,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575.28 : 63,896.94 = 19,203.54 : x
  2. Step 2: Convert to fraction form
    42,575.28/63,896.94 = 19,203.54/x
  3. Step 3: Cross multiply
    42,575.28x = 63,896.94 × 19,203.54
  4. Step 4: Simplify right side
    42,575.28x = 1,227,047,443.17
  5. Step 5: Solve for x
    x = 1,227,047,443.17/42,575.28
  6. Step 6: Final answer
    x = 28,820.65

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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.