Home / 20,077.93-30,111.04-6,749.42

Finding the Fourth Proportional to 20,077.93, 30,111.04 and 6,749.42

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Solution

The fourth proportional to 20,077.93, 30,111.04 and 6,749.42 is: 10,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.93 : 30,111.04 = 6,749.42 : x
  2. Step 2: Convert to fraction form
    20,077.93/30,111.04 = 6,749.42/x
  3. Step 3: Cross multiply
    20,077.93x = 30,111.04 × 6,749.42
  4. Step 4: Simplify right side
    20,077.93x = 203,232,009.52
  5. Step 5: Solve for x
    x = 203,232,009.52/20,077.93
  6. Step 6: Final answer
    x = 10,122.16

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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.