Home / 57,200.46-78,909.93-35,991.42

Finding the Fourth Proportional to 57,200.46, 78,909.93 and 35,991.42

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Solution

The fourth proportional to 57,200.46, 78,909.93 and 35,991.42 is: 49,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,200.46 : 78,909.93 = 35,991.42 : x
  2. Step 2: Convert to fraction form
    57,200.46/78,909.93 = 35,991.42/x
  3. Step 3: Cross multiply
    57,200.46x = 78,909.93 × 35,991.42
  4. Step 4: Simplify right side
    57,200.46x = 2,840,080,432.80
  5. Step 5: Solve for x
    x = 2,840,080,432.80/57,200.46
  6. Step 6: Final answer
    x = 49,651.36

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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.