Home / 35,618.74-49,149.58-20,516.31

Finding the Fourth Proportional to 35,618.74, 49,149.58 and 20,516.31

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Solution

The fourth proportional to 35,618.74, 49,149.58 and 20,516.31 is: 28,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.74 : 49,149.58 = 20,516.31 : x
  2. Step 2: Convert to fraction form
    35,618.74/49,149.58 = 20,516.31/x
  3. Step 3: Cross multiply
    35,618.74x = 49,149.58 × 20,516.31
  4. Step 4: Simplify right side
    35,618.74x = 1,008,367,917.07
  5. Step 5: Solve for x
    x = 1,008,367,917.07/35,618.74
  6. Step 6: Final answer
    x = 28,310.04

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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.