Home / 34,857.95-52,157.72-20,825.61

Finding the Fourth Proportional to 34,857.95, 52,157.72 and 20,825.61

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Solution

The fourth proportional to 34,857.95, 52,157.72 and 20,825.61 is: 31,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.95 : 52,157.72 = 20,825.61 : x
  2. Step 2: Convert to fraction form
    34,857.95/52,157.72 = 20,825.61/x
  3. Step 3: Cross multiply
    34,857.95x = 52,157.72 × 20,825.61
  4. Step 4: Simplify right side
    34,857.95x = 1,086,216,191.68
  5. Step 5: Solve for x
    x = 1,086,216,191.68/34,857.95
  6. Step 6: Final answer
    x = 31,161.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.