Home / 29,580.99-40,820.16-16,833.79

Finding the Fourth Proportional to 29,580.99, 40,820.16 and 16,833.79

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Solution

The fourth proportional to 29,580.99, 40,820.16 and 16,833.79 is: 23,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.99 : 40,820.16 = 16,833.79 : x
  2. Step 2: Convert to fraction form
    29,580.99/40,820.16 = 16,833.79/x
  3. Step 3: Cross multiply
    29,580.99x = 40,820.16 × 16,833.79
  4. Step 4: Simplify right side
    29,580.99x = 687,158,001.21
  5. Step 5: Solve for x
    x = 687,158,001.21/29,580.99
  6. Step 6: Final answer
    x = 23,229.72

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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.