Home / 35,620.80-49,141.24-21,465.60

Finding the Fourth Proportional to 35,620.80, 49,141.24 and 21,465.60

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Solution

The fourth proportional to 35,620.80, 49,141.24 and 21,465.60 is: 29,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.80 : 49,141.24 = 21,465.60 : x
  2. Step 2: Convert to fraction form
    35,620.80/49,141.24 = 21,465.60/x
  3. Step 3: Cross multiply
    35,620.80x = 49,141.24 × 21,465.60
  4. Step 4: Simplify right side
    35,620.80x = 1,054,846,201.34
  5. Step 5: Solve for x
    x = 1,054,846,201.34/35,620.80
  6. Step 6: Final answer
    x = 29,613.21

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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.