Home / 34,380.32-47,427.92-21,648.80

Finding the Fourth Proportional to 34,380.32, 47,427.92 and 21,648.80

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Solution

The fourth proportional to 34,380.32, 47,427.92 and 21,648.80 is: 29,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,380.32 : 47,427.92 = 21,648.80 : x
  2. Step 2: Convert to fraction form
    34,380.32/47,427.92 = 21,648.80/x
  3. Step 3: Cross multiply
    34,380.32x = 47,427.92 × 21,648.80
  4. Step 4: Simplify right side
    34,380.32x = 1,026,757,554.50
  5. Step 5: Solve for x
    x = 1,026,757,554.50/34,380.32
  6. Step 6: Final answer
    x = 29,864.69

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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.