Home / 43,574.15-65,360.32-11,984.08

Finding the Fourth Proportional to 43,574.15, 65,360.32 and 11,984.08

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Solution

The fourth proportional to 43,574.15, 65,360.32 and 11,984.08 is: 17,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.15 : 65,360.32 = 11,984.08 : x
  2. Step 2: Convert to fraction form
    43,574.15/65,360.32 = 11,984.08/x
  3. Step 3: Cross multiply
    43,574.15x = 65,360.32 × 11,984.08
  4. Step 4: Simplify right side
    43,574.15x = 783,283,049.07
  5. Step 5: Solve for x
    x = 783,283,049.07/43,574.15
  6. Step 6: Final answer
    x = 17,975.86

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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.