Home / 43,085.44-64,632.80-18,128.04

Finding the Fourth Proportional to 43,085.44, 64,632.80 and 18,128.04

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Solution

The fourth proportional to 43,085.44, 64,632.80 and 18,128.04 is: 27,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.44 : 64,632.80 = 18,128.04 : x
  2. Step 2: Convert to fraction form
    43,085.44/64,632.80 = 18,128.04/x
  3. Step 3: Cross multiply
    43,085.44x = 64,632.80 × 18,128.04
  4. Step 4: Simplify right side
    43,085.44x = 1,171,665,983.71
  5. Step 5: Solve for x
    x = 1,171,665,983.71/43,085.44
  6. Step 6: Final answer
    x = 27,194.01

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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.