Home / 29,362.91-40,520.61-15,933.83

Finding the Fourth Proportional to 29,362.91, 40,520.61 and 15,933.83

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Solution

The fourth proportional to 29,362.91, 40,520.61 and 15,933.83 is: 21,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,362.91 : 40,520.61 = 15,933.83 : x
  2. Step 2: Convert to fraction form
    29,362.91/40,520.61 = 15,933.83/x
  3. Step 3: Cross multiply
    29,362.91x = 40,520.61 × 15,933.83
  4. Step 4: Simplify right side
    29,362.91x = 645,648,308.63
  5. Step 5: Solve for x
    x = 645,648,308.63/29,362.91
  6. Step 6: Final answer
    x = 21,988.56

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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.