Home / 20,182.41-30,277.67-7,031.25

Finding the Fourth Proportional to 20,182.41, 30,277.67 and 7,031.25

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Solution

The fourth proportional to 20,182.41, 30,277.67 and 7,031.25 is: 10,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.41 : 30,277.67 = 7,031.25 : x
  2. Step 2: Convert to fraction form
    20,182.41/30,277.67 = 7,031.25/x
  3. Step 3: Cross multiply
    20,182.41x = 30,277.67 × 7,031.25
  4. Step 4: Simplify right side
    20,182.41x = 212,889,832.03
  5. Step 5: Solve for x
    x = 212,889,832.03/20,182.41
  6. Step 6: Final answer
    x = 10,548.29

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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.