Home / 38,868.71-58,304.88-12,575.51

Finding the Fourth Proportional to 38,868.71, 58,304.88 and 12,575.51

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Solution

The fourth proportional to 38,868.71, 58,304.88 and 12,575.51 is: 18,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.71 : 58,304.88 = 12,575.51 : x
  2. Step 2: Convert to fraction form
    38,868.71/58,304.88 = 12,575.51/x
  3. Step 3: Cross multiply
    38,868.71x = 58,304.88 × 12,575.51
  4. Step 4: Simplify right side
    38,868.71x = 733,213,309.96
  5. Step 5: Solve for x
    x = 733,213,309.96/38,868.71
  6. Step 6: Final answer
    x = 18,863.85

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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.