Home / 36,859.80-55,276.20-11,906.40

Finding the Fourth Proportional to 36,859.80, 55,276.20 and 11,906.40

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Solution

The fourth proportional to 36,859.80, 55,276.20 and 11,906.40 is: 17,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,859.80 : 55,276.20 = 11,906.40 : x
  2. Step 2: Convert to fraction form
    36,859.80/55,276.20 = 11,906.40/x
  3. Step 3: Cross multiply
    36,859.80x = 55,276.20 × 11,906.40
  4. Step 4: Simplify right side
    36,859.80x = 658,140,547.68
  5. Step 5: Solve for x
    x = 658,140,547.68/36,859.80
  6. Step 6: Final answer
    x = 17,855.24

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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.