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Finding the Fourth Proportional to 40,261.80, 60,392.70 and 33,810.60

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Solution

The fourth proportional to 40,261.80, 60,392.70 and 33,810.60 is: 50,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,261.80 : 60,392.70 = 33,810.60 : x
  2. Step 2: Convert to fraction form
    40,261.80/60,392.70 = 33,810.60/x
  3. Step 3: Cross multiply
    40,261.80x = 60,392.70 × 33,810.60
  4. Step 4: Simplify right side
    40,261.80x = 2,041,913,422.62
  5. Step 5: Solve for x
    x = 2,041,913,422.62/40,261.80
  6. Step 6: Final answer
    x = 50,715.90

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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.