Home / 38,341.58-52,906.78-21,341.75

Finding the Fourth Proportional to 38,341.58, 52,906.78 and 21,341.75

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Solution

The fourth proportional to 38,341.58, 52,906.78 and 21,341.75 is: 29,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.58 : 52,906.78 = 21,341.75 : x
  2. Step 2: Convert to fraction form
    38,341.58/52,906.78 = 21,341.75/x
  3. Step 3: Cross multiply
    38,341.58x = 52,906.78 × 21,341.75
  4. Step 4: Simplify right side
    38,341.58x = 1,129,123,272.07
  5. Step 5: Solve for x
    x = 1,129,123,272.07/38,341.58
  6. Step 6: Final answer
    x = 29,449.05

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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.