Home / 40,513.20-60,769.80-36,884.40

Finding the Fourth Proportional to 40,513.20, 60,769.80 and 36,884.40

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Solution

The fourth proportional to 40,513.20, 60,769.80 and 36,884.40 is: 55,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513.20 : 60,769.80 = 36,884.40 : x
  2. Step 2: Convert to fraction form
    40,513.20/60,769.80 = 36,884.40/x
  3. Step 3: Cross multiply
    40,513.20x = 60,769.80 × 36,884.40
  4. Step 4: Simplify right side
    40,513.20x = 2,241,457,611.12
  5. Step 5: Solve for x
    x = 2,241,457,611.12/40,513.20
  6. Step 6: Final answer
    x = 55,326.60

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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.