Home / 43,322.13-65,008.71-18,360.36

Finding the Fourth Proportional to 43,322.13, 65,008.71 and 18,360.36

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Solution

The fourth proportional to 43,322.13, 65,008.71 and 18,360.36 is: 27,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.13 : 65,008.71 = 18,360.36 : x
  2. Step 2: Convert to fraction form
    43,322.13/65,008.71 = 18,360.36/x
  3. Step 3: Cross multiply
    43,322.13x = 65,008.71 × 18,360.36
  4. Step 4: Simplify right side
    43,322.13x = 1,193,583,318.74
  5. Step 5: Solve for x
    x = 1,193,583,318.74/43,322.13
  6. Step 6: Final answer
    x = 27,551.35

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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.