Home / 40,115.10-60,172.65-30,200.70

Finding the Fourth Proportional to 40,115.10, 60,172.65 and 30,200.70

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Solution

The fourth proportional to 40,115.10, 60,172.65 and 30,200.70 is: 45,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.10 : 60,172.65 = 30,200.70 : x
  2. Step 2: Convert to fraction form
    40,115.10/60,172.65 = 30,200.70/x
  3. Step 3: Cross multiply
    40,115.10x = 60,172.65 × 30,200.70
  4. Step 4: Simplify right side
    40,115.10x = 1,817,256,150.86
  5. Step 5: Solve for x
    x = 1,817,256,150.86/40,115.10
  6. Step 6: Final answer
    x = 45,301.05

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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.