Home / 57,161.66-78,884.20-34,215.12

Finding the Fourth Proportional to 57,161.66, 78,884.20 and 34,215.12

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Solution

The fourth proportional to 57,161.66, 78,884.20 and 34,215.12 is: 47,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.66 : 78,884.20 = 34,215.12 : x
  2. Step 2: Convert to fraction form
    57,161.66/78,884.20 = 34,215.12/x
  3. Step 3: Cross multiply
    57,161.66x = 78,884.20 × 34,215.12
  4. Step 4: Simplify right side
    57,161.66x = 2,699,032,369.10
  5. Step 5: Solve for x
    x = 2,699,032,369.10/57,161.66
  6. Step 6: Final answer
    x = 47,217.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.