Home / 36,345.60-54,518.40-36,115.20

Finding the Fourth Proportional to 36,345.60, 54,518.40 and 36,115.20

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Solution

The fourth proportional to 36,345.60, 54,518.40 and 36,115.20 is: 54,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.60 : 54,518.40 = 36,115.20 : x
  2. Step 2: Convert to fraction form
    36,345.60/54,518.40 = 36,115.20/x
  3. Step 3: Cross multiply
    36,345.60x = 54,518.40 × 36,115.20
  4. Step 4: Simplify right side
    36,345.60x = 1,968,942,919.68
  5. Step 5: Solve for x
    x = 1,968,942,919.68/36,345.60
  6. Step 6: Final answer
    x = 54,172.80

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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.