Home / 36,920.16-55,380.96-13,229.28

Finding the Fourth Proportional to 36,920.16, 55,380.96 and 13,229.28

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Solution

The fourth proportional to 36,920.16, 55,380.96 and 13,229.28 is: 19,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.16 : 55,380.96 = 13,229.28 : x
  2. Step 2: Convert to fraction form
    36,920.16/55,380.96 = 13,229.28/x
  3. Step 3: Cross multiply
    36,920.16x = 55,380.96 × 13,229.28
  4. Step 4: Simplify right side
    36,920.16x = 732,650,226.51
  5. Step 5: Solve for x
    x = 732,650,226.51/36,920.16
  6. Step 6: Final answer
    x = 19,844.18

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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.