Home / 29,436.64-40,613.55-16,687.78

Finding the Fourth Proportional to 29,436.64, 40,613.55 and 16,687.78

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Solution

The fourth proportional to 29,436.64, 40,613.55 and 16,687.78 is: 23,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.64 : 40,613.55 = 16,687.78 : x
  2. Step 2: Convert to fraction form
    29,436.64/40,613.55 = 16,687.78/x
  3. Step 3: Cross multiply
    29,436.64x = 40,613.55 × 16,687.78
  4. Step 4: Simplify right side
    29,436.64x = 677,749,987.42
  5. Step 5: Solve for x
    x = 677,749,987.42/29,436.64
  6. Step 6: Final answer
    x = 23,024.03

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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.