Home / 40,111.10-60,173.48-20,130.12

Finding the Fourth Proportional to 40,111.10, 60,173.48 and 20,130.12

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Solution

The fourth proportional to 40,111.10, 60,173.48 and 20,130.12 is: 30,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.10 : 60,173.48 = 20,130.12 : x
  2. Step 2: Convert to fraction form
    40,111.10/60,173.48 = 20,130.12/x
  3. Step 3: Cross multiply
    40,111.10x = 60,173.48 × 20,130.12
  4. Step 4: Simplify right side
    40,111.10x = 1,211,299,423.54
  5. Step 5: Solve for x
    x = 1,211,299,423.54/40,111.10
  6. Step 6: Final answer
    x = 30,198.61

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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.