Home / 38,513.14-57,772.95-13,550.56

Finding the Fourth Proportional to 38,513.14, 57,772.95 and 13,550.56

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Solution

The fourth proportional to 38,513.14, 57,772.95 and 13,550.56 is: 20,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,513.14 : 57,772.95 = 13,550.56 : x
  2. Step 2: Convert to fraction form
    38,513.14/57,772.95 = 13,550.56/x
  3. Step 3: Cross multiply
    38,513.14x = 57,772.95 × 13,550.56
  4. Step 4: Simplify right side
    38,513.14x = 782,855,825.35
  5. Step 5: Solve for x
    x = 782,855,825.35/38,513.14
  6. Step 6: Final answer
    x = 20,326.98

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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.