Home / 43,449.48-65,164.32-12,287.16

Finding the Fourth Proportional to 43,449.48, 65,164.32 and 12,287.16

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Solution

The fourth proportional to 43,449.48, 65,164.32 and 12,287.16 is: 18,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,449.48 : 65,164.32 = 12,287.16 : x
  2. Step 2: Convert to fraction form
    43,449.48/65,164.32 = 12,287.16/x
  3. Step 3: Cross multiply
    43,449.48x = 65,164.32 × 12,287.16
  4. Step 4: Simplify right side
    43,449.48x = 800,684,426.13
  5. Step 5: Solve for x
    x = 800,684,426.13/43,449.48
  6. Step 6: Final answer
    x = 18,427.94

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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.