Home / 34,920.86-52,391.59-20,140.38

Finding the Fourth Proportional to 34,920.86, 52,391.59 and 20,140.38

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Solution

The fourth proportional to 34,920.86, 52,391.59 and 20,140.38 is: 30,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.86 : 52,391.59 = 20,140.38 : x
  2. Step 2: Convert to fraction form
    34,920.86/52,391.59 = 20,140.38/x
  3. Step 3: Cross multiply
    34,920.86x = 52,391.59 × 20,140.38
  4. Step 4: Simplify right side
    34,920.86x = 1,055,186,481.05
  5. Step 5: Solve for x
    x = 1,055,186,481.05/34,920.86
  6. Step 6: Final answer
    x = 30,216.51

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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.