Home / 60,341.10-90,511.20-18,221.10

Finding the Fourth Proportional to 60,341.10, 90,511.20 and 18,221.10

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Solution

The fourth proportional to 60,341.10, 90,511.20 and 18,221.10 is: 27,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,341.10 : 90,511.20 = 18,221.10 : x
  2. Step 2: Convert to fraction form
    60,341.10/90,511.20 = 18,221.10/x
  3. Step 3: Cross multiply
    60,341.10x = 90,511.20 × 18,221.10
  4. Step 4: Simplify right side
    60,341.10x = 1,649,213,626.32
  5. Step 5: Solve for x
    x = 1,649,213,626.32/60,341.10
  6. Step 6: Final answer
    x = 27,331.51

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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.