Home / 43,729.12-65,642.24-22,663.52

Finding the Fourth Proportional to 43,729.12, 65,642.24 and 22,663.52

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Solution

The fourth proportional to 43,729.12, 65,642.24 and 22,663.52 is: 34,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.12 : 65,642.24 = 22,663.52 : x
  2. Step 2: Convert to fraction form
    43,729.12/65,642.24 = 22,663.52/x
  3. Step 3: Cross multiply
    43,729.12x = 65,642.24 × 22,663.52
  4. Step 4: Simplify right side
    43,729.12x = 1,487,684,219.08
  5. Step 5: Solve for x
    x = 1,487,684,219.08/43,729.12
  6. Step 6: Final answer
    x = 34,020.45

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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.