Home / 50,019.28-75,028.97-20,437.11

Finding the Fourth Proportional to 50,019.28, 75,028.97 and 20,437.11

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Solution

The fourth proportional to 50,019.28, 75,028.97 and 20,437.11 is: 30,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,019.28 : 75,028.97 = 20,437.11 : x
  2. Step 2: Convert to fraction form
    50,019.28/75,028.97 = 20,437.11/x
  3. Step 3: Cross multiply
    50,019.28x = 75,028.97 × 20,437.11
  4. Step 4: Simplify right side
    50,019.28x = 1,533,375,364.17
  5. Step 5: Solve for x
    x = 1,533,375,364.17/50,019.28
  6. Step 6: Final answer
    x = 30,655.69

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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.