Home / 29,199.20-40,247.55-22,814.64

Finding the Fourth Proportional to 29,199.20, 40,247.55 and 22,814.64

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Solution

The fourth proportional to 29,199.20, 40,247.55 and 22,814.64 is: 31,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.20 : 40,247.55 = 22,814.64 : x
  2. Step 2: Convert to fraction form
    29,199.20/40,247.55 = 22,814.64/x
  3. Step 3: Cross multiply
    29,199.20x = 40,247.55 × 22,814.64
  4. Step 4: Simplify right side
    29,199.20x = 918,233,364.13
  5. Step 5: Solve for x
    x = 918,233,364.13/29,199.20
  6. Step 6: Final answer
    x = 31,447.22

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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.