Home / 36,742.15-55,111.24-21,553.17

Finding the Fourth Proportional to 36,742.15, 55,111.24 and 21,553.17

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Solution

The fourth proportional to 36,742.15, 55,111.24 and 21,553.17 is: 32,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,742.15 : 55,111.24 = 21,553.17 : x
  2. Step 2: Convert to fraction form
    36,742.15/55,111.24 = 21,553.17/x
  3. Step 3: Cross multiply
    36,742.15x = 55,111.24 × 21,553.17
  4. Step 4: Simplify right side
    36,742.15x = 1,187,821,924.63
  5. Step 5: Solve for x
    x = 1,187,821,924.63/36,742.15
  6. Step 6: Final answer
    x = 32,328.59

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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.