Home / 43,794.90-65,689.92-20,437.74

Finding the Fourth Proportional to 43,794.90, 65,689.92 and 20,437.74

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Solution

The fourth proportional to 43,794.90, 65,689.92 and 20,437.74 is: 30,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,794.90 : 65,689.92 = 20,437.74 : x
  2. Step 2: Convert to fraction form
    43,794.90/65,689.92 = 20,437.74/x
  3. Step 3: Cross multiply
    43,794.90x = 65,689.92 × 20,437.74
  4. Step 4: Simplify right side
    43,794.90x = 1,342,553,505.58
  5. Step 5: Solve for x
    x = 1,342,553,505.58/43,794.90
  6. Step 6: Final answer
    x = 30,655.48

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1.5x scale

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.