Home / 34,708.34-47,873.78-21,977.72

Finding the Fourth Proportional to 34,708.34, 47,873.78 and 21,977.72

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Solution

The fourth proportional to 34,708.34, 47,873.78 and 21,977.72 is: 30,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.34 : 47,873.78 = 21,977.72 : x
  2. Step 2: Convert to fraction form
    34,708.34/47,873.78 = 21,977.72/x
  3. Step 3: Cross multiply
    34,708.34x = 47,873.78 × 21,977.72
  4. Step 4: Simplify right side
    34,708.34x = 1,052,156,532.18
  5. Step 5: Solve for x
    x = 1,052,156,532.18/34,708.34
  6. Step 6: Final answer
    x = 30,314.23

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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.