Home / 43,840.72-65,767.44-13,844.80

Finding the Fourth Proportional to 43,840.72, 65,767.44 and 13,844.80

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Solution

The fourth proportional to 43,840.72, 65,767.44 and 13,844.80 is: 20,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,840.72 : 65,767.44 = 13,844.80 : x
  2. Step 2: Convert to fraction form
    43,840.72/65,767.44 = 13,844.80/x
  3. Step 3: Cross multiply
    43,840.72x = 65,767.44 × 13,844.80
  4. Step 4: Simplify right side
    43,840.72x = 910,536,724.47
  5. Step 5: Solve for x
    x = 910,536,724.47/43,840.72
  6. Step 6: Final answer
    x = 20,769.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.