Home / 20,050.32-30,074.38-6,902.40

Finding the Fourth Proportional to 20,050.32, 30,074.38 and 6,902.40

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Solution

The fourth proportional to 20,050.32, 30,074.38 and 6,902.40 is: 10,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.32 : 30,074.38 = 6,902.40 : x
  2. Step 2: Convert to fraction form
    20,050.32/30,074.38 = 6,902.40/x
  3. Step 3: Cross multiply
    20,050.32x = 30,074.38 × 6,902.40
  4. Step 4: Simplify right side
    20,050.32x = 207,585,400.51
  5. Step 5: Solve for x
    x = 207,585,400.51/20,050.32
  6. Step 6: Final answer
    x = 10,353.22

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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.