Home / 36,345.60-54,453.60-30,772.80

Finding the Fourth Proportional to 36,345.60, 54,453.60 and 30,772.80

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Solution

The fourth proportional to 36,345.60, 54,453.60 and 30,772.80 is: 46,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.60 : 54,453.60 = 30,772.80 : x
  2. Step 2: Convert to fraction form
    36,345.60/54,453.60 = 30,772.80/x
  3. Step 3: Cross multiply
    36,345.60x = 54,453.60 × 30,772.80
  4. Step 4: Simplify right side
    36,345.60x = 1,675,689,742.08
  5. Step 5: Solve for x
    x = 1,675,689,742.08/36,345.60
  6. Step 6: Final answer
    x = 46,104.34

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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.