Home / 29,799.52-41,089.70-21,718.92

Finding the Fourth Proportional to 29,799.52, 41,089.70 and 21,718.92

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Solution

The fourth proportional to 29,799.52, 41,089.70 and 21,718.92 is: 29,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,799.52 : 41,089.70 = 21,718.92 : x
  2. Step 2: Convert to fraction form
    29,799.52/41,089.70 = 21,718.92/x
  3. Step 3: Cross multiply
    29,799.52x = 41,089.70 × 21,718.92
  4. Step 4: Simplify right side
    29,799.52x = 892,423,907.12
  5. Step 5: Solve for x
    x = 892,423,907.12/29,799.52
  6. Step 6: Final answer
    x = 29,947.59

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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.