Home / 38,370.05-52,950.52-21,374.49

Finding the Fourth Proportional to 38,370.05, 52,950.52 and 21,374.49

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Solution

The fourth proportional to 38,370.05, 52,950.52 and 21,374.49 is: 29,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.05 : 52,950.52 = 21,374.49 : x
  2. Step 2: Convert to fraction form
    38,370.05/52,950.52 = 21,374.49/x
  3. Step 3: Cross multiply
    38,370.05x = 52,950.52 × 21,374.49
  4. Step 4: Simplify right side
    38,370.05x = 1,131,790,360.23
  5. Step 5: Solve for x
    x = 1,131,790,360.23/38,370.05
  6. Step 6: Final answer
    x = 29,496.71

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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.