Home / 30,425.80-42,202.41-29,616.61

Finding the Fourth Proportional to 30,425.80, 42,202.41 and 29,616.61

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Solution

The fourth proportional to 30,425.80, 42,202.41 and 29,616.61 is: 41,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.80 : 42,202.41 = 29,616.61 : x
  2. Step 2: Convert to fraction form
    30,425.80/42,202.41 = 29,616.61/x
  3. Step 3: Cross multiply
    30,425.80x = 42,202.41 × 29,616.61
  4. Step 4: Simplify right side
    30,425.80x = 1,249,891,958.94
  5. Step 5: Solve for x
    x = 1,249,891,958.94/30,425.80
  6. Step 6: Final answer
    x = 41,080.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.