Home / 30,169.41-45,236.48-9,103.13

Finding the Fourth Proportional to 30,169.41, 45,236.48 and 9,103.13

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Solution

The fourth proportional to 30,169.41, 45,236.48 and 9,103.13 is: 13,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.41 : 45,236.48 = 9,103.13 : x
  2. Step 2: Convert to fraction form
    30,169.41/45,236.48 = 9,103.13/x
  3. Step 3: Cross multiply
    30,169.41x = 45,236.48 × 9,103.13
  4. Step 4: Simplify right side
    30,169.41x = 411,793,558.18
  5. Step 5: Solve for x
    x = 411,793,558.18/30,169.41
  6. Step 6: Final answer
    x = 13,649.37

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Double scale
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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.