Home / 36,133.80-54,200.70-30,666.30

Finding the Fourth Proportional to 36,133.80, 54,200.70 and 30,666.30

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Solution

The fourth proportional to 36,133.80, 54,200.70 and 30,666.30 is: 45,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,133.80 : 54,200.70 = 30,666.30 : x
  2. Step 2: Convert to fraction form
    36,133.80/54,200.70 = 30,666.30/x
  3. Step 3: Cross multiply
    36,133.80x = 54,200.70 × 30,666.30
  4. Step 4: Simplify right side
    36,133.80x = 1,662,134,926.41
  5. Step 5: Solve for x
    x = 1,662,134,926.41/36,133.80
  6. Step 6: Final answer
    x = 45,999.45

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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.