Home / 38,631.69-57,948.95-13,674.38

Finding the Fourth Proportional to 38,631.69, 57,948.95 and 13,674.38

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Solution

The fourth proportional to 38,631.69, 57,948.95 and 13,674.38 is: 20,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631.69 : 57,948.95 = 13,674.38 : x
  2. Step 2: Convert to fraction form
    38,631.69/57,948.95 = 13,674.38/x
  3. Step 3: Cross multiply
    38,631.69x = 57,948.95 × 13,674.38
  4. Step 4: Simplify right side
    38,631.69x = 792,415,604.78
  5. Step 5: Solve for x
    x = 792,415,604.78/38,631.69
  6. Step 6: Final answer
    x = 20,512.06

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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.