Home / 36,272.22-54,409.74-9,979.02

Finding the Fourth Proportional to 36,272.22, 54,409.74 and 9,979.02

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Solution

The fourth proportional to 36,272.22, 54,409.74 and 9,979.02 is: 14,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,272.22 : 54,409.74 = 9,979.02 : x
  2. Step 2: Convert to fraction form
    36,272.22/54,409.74 = 9,979.02/x
  3. Step 3: Cross multiply
    36,272.22x = 54,409.74 × 9,979.02
  4. Step 4: Simplify right side
    36,272.22x = 542,955,883.65
  5. Step 5: Solve for x
    x = 542,955,883.65/36,272.22
  6. Step 6: Final answer
    x = 14,968.92

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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.