Home / 34,079.16-47,019.78-21,974.52

Finding the Fourth Proportional to 34,079.16, 47,019.78 and 21,974.52

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Solution

The fourth proportional to 34,079.16, 47,019.78 and 21,974.52 is: 30,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.16 : 47,019.78 = 21,974.52 : x
  2. Step 2: Convert to fraction form
    34,079.16/47,019.78 = 21,974.52/x
  3. Step 3: Cross multiply
    34,079.16x = 47,019.78 × 21,974.52
  4. Step 4: Simplify right side
    34,079.16x = 1,033,237,096.01
  5. Step 5: Solve for x
    x = 1,033,237,096.01/34,079.16
  6. Step 6: Final answer
    x = 30,318.74

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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.