Home / 36,013.60-54,020.40-35,783.20

Finding the Fourth Proportional to 36,013.60, 54,020.40 and 35,783.20

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Solution

The fourth proportional to 36,013.60, 54,020.40 and 35,783.20 is: 53,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,013.60 : 54,020.40 = 35,783.20 : x
  2. Step 2: Convert to fraction form
    36,013.60/54,020.40 = 35,783.20/x
  3. Step 3: Cross multiply
    36,013.60x = 54,020.40 × 35,783.20
  4. Step 4: Simplify right side
    36,013.60x = 1,933,022,777.28
  5. Step 5: Solve for x
    x = 1,933,022,777.28/36,013.60
  6. Step 6: Final answer
    x = 53,674.80

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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.