Home / 38,222.22-57,332.28-10,142.37

Finding the Fourth Proportional to 38,222.22, 57,332.28 and 10,142.37

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Solution

The fourth proportional to 38,222.22, 57,332.28 and 10,142.37 is: 15,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.22 : 57,332.28 = 10,142.37 : x
  2. Step 2: Convert to fraction form
    38,222.22/57,332.28 = 10,142.37/x
  3. Step 3: Cross multiply
    38,222.22x = 57,332.28 × 10,142.37
  4. Step 4: Simplify right side
    38,222.22x = 581,485,196.70
  5. Step 5: Solve for x
    x = 581,485,196.70/38,222.22
  6. Step 6: Final answer
    x = 15,213.28

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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.