Home / 38,868.96-58,329.18-21,351

Finding the Fourth Proportional to 38,868.96, 58,329.18 and 21,351

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Solution

The fourth proportional to 38,868.96, 58,329.18 and 21,351 is: 32,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.96 : 58,329.18 = 21,351 : x
  2. Step 2: Convert to fraction form
    38,868.96/58,329.18 = 21,351/x
  3. Step 3: Cross multiply
    38,868.96x = 58,329.18 × 21,351
  4. Step 4: Simplify right side
    38,868.96x = 1,245,386,322.18
  5. Step 5: Solve for x
    x = 1,245,386,322.18/38,868.96
  6. Step 6: Final answer
    x = 32,040.64

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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.