Home / 53,168.20-73,311.15-39,716.80

Finding the Fourth Proportional to 53,168.20, 73,311.15 and 39,716.80

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Solution

The fourth proportional to 53,168.20, 73,311.15 and 39,716.80 is: 54,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.20 : 73,311.15 = 39,716.80 : x
  2. Step 2: Convert to fraction form
    53,168.20/73,311.15 = 39,716.80/x
  3. Step 3: Cross multiply
    53,168.20x = 73,311.15 × 39,716.80
  4. Step 4: Simplify right side
    53,168.20x = 2,911,684,282.32
  5. Step 5: Solve for x
    x = 2,911,684,282.32/53,168.20
  6. Step 6: Final answer
    x = 54,763.64

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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.