Home / 20,041.53-30,066.40-6,892.20

Finding the Fourth Proportional to 20,041.53, 30,066.40 and 6,892.20

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Solution

The fourth proportional to 20,041.53, 30,066.40 and 6,892.20 is: 10,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.53 : 30,066.40 = 6,892.20 : x
  2. Step 2: Convert to fraction form
    20,041.53/30,066.40 = 6,892.20/x
  3. Step 3: Cross multiply
    20,041.53x = 30,066.40 × 6,892.20
  4. Step 4: Simplify right side
    20,041.53x = 207,223,642.08
  5. Step 5: Solve for x
    x = 207,223,642.08/20,041.53
  6. Step 6: Final answer
    x = 10,339.71

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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.