Home / 20,030.68-30,050.31-5,991.79

Finding the Fourth Proportional to 20,030.68, 30,050.31 and 5,991.79

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Solution

The fourth proportional to 20,030.68, 30,050.31 and 5,991.79 is: 8,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.68 : 30,050.31 = 5,991.79 : x
  2. Step 2: Convert to fraction form
    20,030.68/30,050.31 = 5,991.79/x
  3. Step 3: Cross multiply
    20,030.68x = 30,050.31 × 5,991.79
  4. Step 4: Simplify right side
    20,030.68x = 180,055,146.95
  5. Step 5: Solve for x
    x = 180,055,146.95/20,030.68
  6. Step 6: Final answer
    x = 8,988.97

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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.