Home / 30,201.18-45,298.25-8,016.28

Finding the Fourth Proportional to 30,201.18, 45,298.25 and 8,016.28

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Solution

The fourth proportional to 30,201.18, 45,298.25 and 8,016.28 is: 12,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.18 : 45,298.25 = 8,016.28 : x
  2. Step 2: Convert to fraction form
    30,201.18/45,298.25 = 8,016.28/x
  3. Step 3: Cross multiply
    30,201.18x = 45,298.25 × 8,016.28
  4. Step 4: Simplify right side
    30,201.18x = 363,123,407.22
  5. Step 5: Solve for x
    x = 363,123,407.22/30,201.18
  6. Step 6: Final answer
    x = 12,023.48

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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.