Home / 20,071.56-30,111.52-6,031.02

Finding the Fourth Proportional to 20,071.56, 30,111.52 and 6,031.02

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Solution

The fourth proportional to 20,071.56, 30,111.52 and 6,031.02 is: 9,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.56 : 30,111.52 = 6,031.02 : x
  2. Step 2: Convert to fraction form
    20,071.56/30,111.52 = 6,031.02/x
  3. Step 3: Cross multiply
    20,071.56x = 30,111.52 × 6,031.02
  4. Step 4: Simplify right side
    20,071.56x = 181,603,179.35
  5. Step 5: Solve for x
    x = 181,603,179.35/20,071.56
  6. Step 6: Final answer
    x = 9,047.79

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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.