Home / 40,178.80-60,268.20-33,666.40

Finding the Fourth Proportional to 40,178.80, 60,268.20 and 33,666.40

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Solution

The fourth proportional to 40,178.80, 60,268.20 and 33,666.40 is: 50,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.80 : 60,268.20 = 33,666.40 : x
  2. Step 2: Convert to fraction form
    40,178.80/60,268.20 = 33,666.40/x
  3. Step 3: Cross multiply
    40,178.80x = 60,268.20 × 33,666.40
  4. Step 4: Simplify right side
    40,178.80x = 2,029,013,328.48
  5. Step 5: Solve for x
    x = 2,029,013,328.48/40,178.80
  6. Step 6: Final answer
    x = 50,499.60

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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.