Home / 43,847.43-65,780.89-20,461.11

Finding the Fourth Proportional to 43,847.43, 65,780.89 and 20,461.11

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Solution

The fourth proportional to 43,847.43, 65,780.89 and 20,461.11 is: 30,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,847.43 : 65,780.89 = 20,461.11 : x
  2. Step 2: Convert to fraction form
    43,847.43/65,780.89 = 20,461.11/x
  3. Step 3: Cross multiply
    43,847.43x = 65,780.89 × 20,461.11
  4. Step 4: Simplify right side
    43,847.43x = 1,345,950,026.19
  5. Step 5: Solve for x
    x = 1,345,950,026.19/43,847.43
  6. Step 6: Final answer
    x = 30,696.21

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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.