Home / 29,695.86-40,979.34-16,266.78

Finding the Fourth Proportional to 29,695.86, 40,979.34 and 16,266.78

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Solution

The fourth proportional to 29,695.86, 40,979.34 and 16,266.78 is: 22,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,695.86 : 40,979.34 = 16,266.78 : x
  2. Step 2: Convert to fraction form
    29,695.86/40,979.34 = 16,266.78/x
  3. Step 3: Cross multiply
    29,695.86x = 40,979.34 × 16,266.78
  4. Step 4: Simplify right side
    29,695.86x = 666,601,908.33
  5. Step 5: Solve for x
    x = 666,601,908.33/29,695.86
  6. Step 6: Final answer
    x = 22,447.64

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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.