Home / 20,119.41-30,182.29-6,077.69

Finding the Fourth Proportional to 20,119.41, 30,182.29 and 6,077.69

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Solution

The fourth proportional to 20,119.41, 30,182.29 and 6,077.69 is: 9,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.41 : 30,182.29 = 6,077.69 : x
  2. Step 2: Convert to fraction form
    20,119.41/30,182.29 = 6,077.69/x
  3. Step 3: Cross multiply
    20,119.41x = 30,182.29 × 6,077.69
  4. Step 4: Simplify right side
    20,119.41x = 183,438,662.37
  5. Step 5: Solve for x
    x = 183,438,662.37/20,119.41
  6. Step 6: Final answer
    x = 9,117.50

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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.