Home / 43,352.68-65,020.38-19,975.72

Finding the Fourth Proportional to 43,352.68, 65,020.38 and 19,975.72

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Solution

The fourth proportional to 43,352.68, 65,020.38 and 19,975.72 is: 29,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,352.68 : 65,020.38 = 19,975.72 : x
  2. Step 2: Convert to fraction form
    43,352.68/65,020.38 = 19,975.72/x
  3. Step 3: Cross multiply
    43,352.68x = 65,020.38 × 19,975.72
  4. Step 4: Simplify right side
    43,352.68x = 1,298,828,905.17
  5. Step 5: Solve for x
    x = 1,298,828,905.17/43,352.68
  6. Step 6: Final answer
    x = 29,959.60

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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.