Home / 34,903.13-48,171.78-20,764.17

Finding the Fourth Proportional to 34,903.13, 48,171.78 and 20,764.17

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Solution

The fourth proportional to 34,903.13, 48,171.78 and 20,764.17 is: 28,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,903.13 : 48,171.78 = 20,764.17 : x
  2. Step 2: Convert to fraction form
    34,903.13/48,171.78 = 20,764.17/x
  3. Step 3: Cross multiply
    34,903.13x = 48,171.78 × 20,764.17
  4. Step 4: Simplify right side
    34,903.13x = 1,000,247,029.12
  5. Step 5: Solve for x
    x = 1,000,247,029.12/34,903.13
  6. Step 6: Final answer
    x = 28,657.81

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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.