Home / 38,338.22-52,910.34-22,421.72

Finding the Fourth Proportional to 38,338.22, 52,910.34 and 22,421.72

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Solution

The fourth proportional to 38,338.22, 52,910.34 and 22,421.72 is: 30,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.22 : 52,910.34 = 22,421.72 : x
  2. Step 2: Convert to fraction form
    38,338.22/52,910.34 = 22,421.72/x
  3. Step 3: Cross multiply
    38,338.22x = 52,910.34 × 22,421.72
  4. Step 4: Simplify right side
    38,338.22x = 1,186,340,828.58
  5. Step 5: Solve for x
    x = 1,186,340,828.58/38,338.22
  6. Step 6: Final answer
    x = 30,944.08

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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.