Home / 34,748.60-47,935.41-21,980.27

Finding the Fourth Proportional to 34,748.60, 47,935.41 and 21,980.27

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Solution

The fourth proportional to 34,748.60, 47,935.41 and 21,980.27 is: 30,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,748.60 : 47,935.41 = 21,980.27 : x
  2. Step 2: Convert to fraction form
    34,748.60/47,935.41 = 21,980.27/x
  3. Step 3: Cross multiply
    34,748.60x = 47,935.41 × 21,980.27
  4. Step 4: Simplify right side
    34,748.60x = 1,053,633,014.68
  5. Step 5: Solve for x
    x = 1,053,633,014.68/34,748.60
  6. Step 6: Final answer
    x = 30,321.60

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1.5x scale

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.