Home / 50,002.10-75,011.79-20,436.02

Finding the Fourth Proportional to 50,002.10, 75,011.79 and 20,436.02

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Solution

The fourth proportional to 50,002.10, 75,011.79 and 20,436.02 is: 30,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,002.10 : 75,011.79 = 20,436.02 : x
  2. Step 2: Convert to fraction form
    50,002.10/75,011.79 = 20,436.02/x
  3. Step 3: Cross multiply
    50,002.10x = 75,011.79 × 20,436.02
  4. Step 4: Simplify right side
    50,002.10x = 1,532,942,440.68
  5. Step 5: Solve for x
    x = 1,532,942,440.68/50,002.10
  6. Step 6: Final answer
    x = 30,657.56

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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.