Home / 38,163.12-52,664.32-21,164.62

Finding the Fourth Proportional to 38,163.12, 52,664.32 and 21,164.62

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Solution

The fourth proportional to 38,163.12, 52,664.32 and 21,164.62 is: 29,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.12 : 52,664.32 = 21,164.62 : x
  2. Step 2: Convert to fraction form
    38,163.12/52,664.32 = 21,164.62/x
  3. Step 3: Cross multiply
    38,163.12x = 52,664.32 × 21,164.62
  4. Step 4: Simplify right side
    38,163.12x = 1,114,620,320.36
  5. Step 5: Solve for x
    x = 1,114,620,320.36/38,163.12
  6. Step 6: Final answer
    x = 29,206.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.