Home / 43,663.44-65,440.32-18,674.10

Finding the Fourth Proportional to 43,663.44, 65,440.32 and 18,674.10

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Solution

The fourth proportional to 43,663.44, 65,440.32 and 18,674.10 is: 27,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.44 : 65,440.32 = 18,674.10 : x
  2. Step 2: Convert to fraction form
    43,663.44/65,440.32 = 18,674.10/x
  3. Step 3: Cross multiply
    43,663.44x = 65,440.32 × 18,674.10
  4. Step 4: Simplify right side
    43,663.44x = 1,222,039,079.71
  5. Step 5: Solve for x
    x = 1,222,039,079.71/43,663.44
  6. Step 6: Final answer
    x = 27,987.70

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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.