Home / 57,136.80-78,887.75-35,634.95

Finding the Fourth Proportional to 57,136.80, 78,887.75 and 35,634.95

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Solution

The fourth proportional to 57,136.80, 78,887.75 and 35,634.95 is: 49,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,136.80 : 78,887.75 = 35,634.95 : x
  2. Step 2: Convert to fraction form
    57,136.80/78,887.75 = 35,634.95/x
  3. Step 3: Cross multiply
    57,136.80x = 78,887.75 × 35,634.95
  4. Step 4: Simplify right side
    57,136.80x = 2,811,161,026.86
  5. Step 5: Solve for x
    x = 2,811,161,026.86/57,136.80
  6. Step 6: Final answer
    x = 49,200.53

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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.