Home / 34,809.72-48,062.70-21,399.24

Finding the Fourth Proportional to 34,809.72, 48,062.70 and 21,399.24

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Solution

The fourth proportional to 34,809.72, 48,062.70 and 21,399.24 is: 29,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.72 : 48,062.70 = 21,399.24 : x
  2. Step 2: Convert to fraction form
    34,809.72/48,062.70 = 21,399.24/x
  3. Step 3: Cross multiply
    34,809.72x = 48,062.70 × 21,399.24
  4. Step 4: Simplify right side
    34,809.72x = 1,028,505,252.35
  5. Step 5: Solve for x
    x = 1,028,505,252.35/34,809.72
  6. Step 6: Final answer
    x = 29,546.50

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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.