Home / 34,603.11-47,752.41-20,986.60

Finding the Fourth Proportional to 34,603.11, 47,752.41 and 20,986.60

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Solution

The fourth proportional to 34,603.11, 47,752.41 and 20,986.60 is: 28,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,603.11 : 47,752.41 = 20,986.60 : x
  2. Step 2: Convert to fraction form
    34,603.11/47,752.41 = 20,986.60/x
  3. Step 3: Cross multiply
    34,603.11x = 47,752.41 × 20,986.60
  4. Step 4: Simplify right side
    34,603.11x = 1,002,160,727.71
  5. Step 5: Solve for x
    x = 1,002,160,727.71/34,603.11
  6. Step 6: Final answer
    x = 28,961.58

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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.