Home / 60,345.10-90,517.20-18,225.10

Finding the Fourth Proportional to 60,345.10, 90,517.20 and 18,225.10

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Solution

The fourth proportional to 60,345.10, 90,517.20 and 18,225.10 is: 27,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,345.10 : 90,517.20 = 18,225.10 : x
  2. Step 2: Convert to fraction form
    60,345.10/90,517.20 = 18,225.10/x
  3. Step 3: Cross multiply
    60,345.10x = 90,517.20 × 18,225.10
  4. Step 4: Simplify right side
    60,345.10x = 1,649,685,021.72
  5. Step 5: Solve for x
    x = 1,649,685,021.72/60,345.10
  6. Step 6: Final answer
    x = 27,337.51

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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.