Home / 36,917.40-55,400.55-20,289.04

Finding the Fourth Proportional to 36,917.40, 55,400.55 and 20,289.04

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Solution

The fourth proportional to 36,917.40, 55,400.55 and 20,289.04 is: 30,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.40 : 55,400.55 = 20,289.04 : x
  2. Step 2: Convert to fraction form
    36,917.40/55,400.55 = 20,289.04/x
  3. Step 3: Cross multiply
    36,917.40x = 55,400.55 × 20,289.04
  4. Step 4: Simplify right side
    36,917.40x = 1,124,023,974.97
  5. Step 5: Solve for x
    x = 1,124,023,974.97/36,917.40
  6. Step 6: Final answer
    x = 30,447.00

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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.