Home / 57,012.27-78,683.77-33,138.95

Finding the Fourth Proportional to 57,012.27, 78,683.77 and 33,138.95

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Solution

The fourth proportional to 57,012.27, 78,683.77 and 33,138.95 is: 45,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,012.27 : 78,683.77 = 33,138.95 : x
  2. Step 2: Convert to fraction form
    57,012.27/78,683.77 = 33,138.95/x
  3. Step 3: Cross multiply
    57,012.27x = 78,683.77 × 33,138.95
  4. Step 4: Simplify right side
    57,012.27x = 2,607,497,167.85
  5. Step 5: Solve for x
    x = 2,607,497,167.85/57,012.27
  6. Step 6: Final answer
    x = 45,735.72

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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.