Home / 20,047.96-30,065.34-6,900.04

Finding the Fourth Proportional to 20,047.96, 30,065.34 and 6,900.04

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Solution

The fourth proportional to 20,047.96, 30,065.34 and 6,900.04 is: 10,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.96 : 30,065.34 = 6,900.04 : x
  2. Step 2: Convert to fraction form
    20,047.96/30,065.34 = 6,900.04/x
  3. Step 3: Cross multiply
    20,047.96x = 30,065.34 × 6,900.04
  4. Step 4: Simplify right side
    20,047.96x = 207,452,048.61
  5. Step 5: Solve for x
    x = 207,452,048.61/20,047.96
  6. Step 6: Final answer
    x = 10,347.79

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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.