Home / 20,041.78-30,066.77-6,892.45

Finding the Fourth Proportional to 20,041.78, 30,066.77 and 6,892.45

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Solution

The fourth proportional to 20,041.78, 30,066.77 and 6,892.45 is: 10,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.78 : 30,066.77 = 6,892.45 : x
  2. Step 2: Convert to fraction form
    20,041.78/30,066.77 = 6,892.45/x
  3. Step 3: Cross multiply
    20,041.78x = 30,066.77 × 6,892.45
  4. Step 4: Simplify right side
    20,041.78x = 207,233,708.89
  5. Step 5: Solve for x
    x = 207,233,708.89/20,041.78
  6. Step 6: Final answer
    x = 10,340.09

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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.