Home / 45,575.82-68,340.02-20,603.92

Finding the Fourth Proportional to 45,575.82, 68,340.02 and 20,603.92

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Solution

The fourth proportional to 45,575.82, 68,340.02 and 20,603.92 is: 30,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575.82 : 68,340.02 = 20,603.92 : x
  2. Step 2: Convert to fraction form
    45,575.82/68,340.02 = 20,603.92/x
  3. Step 3: Cross multiply
    45,575.82x = 68,340.02 × 20,603.92
  4. Step 4: Simplify right side
    45,575.82x = 1,408,072,304.88
  5. Step 5: Solve for x
    x = 1,408,072,304.88/45,575.82
  6. Step 6: Final answer
    x = 30,895.16

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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.