Home / 30,134.10-45,201.15-8,246.10

Finding the Fourth Proportional to 30,134.10, 45,201.15 and 8,246.10

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Solution

The fourth proportional to 30,134.10, 45,201.15 and 8,246.10 is: 12,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.10 : 45,201.15 = 8,246.10 : x
  2. Step 2: Convert to fraction form
    30,134.10/45,201.15 = 8,246.10/x
  3. Step 3: Cross multiply
    30,134.10x = 45,201.15 × 8,246.10
  4. Step 4: Simplify right side
    30,134.10x = 372,733,203.02
  5. Step 5: Solve for x
    x = 372,733,203.02/30,134.10
  6. Step 6: Final answer
    x = 12,369.15

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Double scale
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Similar ratio
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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.