Home / 52,818.37-72,891.35-30,161.05

Finding the Fourth Proportional to 52,818.37, 72,891.35 and 30,161.05

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Solution

The fourth proportional to 52,818.37, 72,891.35 and 30,161.05 is: 41,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.37 : 72,891.35 = 30,161.05 : x
  2. Step 2: Convert to fraction form
    52,818.37/72,891.35 = 30,161.05/x
  3. Step 3: Cross multiply
    52,818.37x = 72,891.35 × 30,161.05
  4. Step 4: Simplify right side
    52,818.37x = 2,198,479,651.92
  5. Step 5: Solve for x
    x = 2,198,479,651.92/52,818.37
  6. Step 6: Final answer
    x = 41,623.39

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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.