Home / 35,125.87-48,476.94-20,978.41

Finding the Fourth Proportional to 35,125.87, 48,476.94 and 20,978.41

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Solution

The fourth proportional to 35,125.87, 48,476.94 and 20,978.41 is: 28,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,125.87 : 48,476.94 = 20,978.41 : x
  2. Step 2: Convert to fraction form
    35,125.87/48,476.94 = 20,978.41/x
  3. Step 3: Cross multiply
    35,125.87x = 48,476.94 × 20,978.41
  4. Step 4: Simplify right side
    35,125.87x = 1,016,969,017.97
  5. Step 5: Solve for x
    x = 1,016,969,017.97/35,125.87
  6. Step 6: Final answer
    x = 28,952.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.