Home / 38,910.42-58,371.39-14,284.50

Finding the Fourth Proportional to 38,910.42, 58,371.39 and 14,284.50

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Solution

The fourth proportional to 38,910.42, 58,371.39 and 14,284.50 is: 21,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.42 : 58,371.39 = 14,284.50 : x
  2. Step 2: Convert to fraction form
    38,910.42/58,371.39 = 14,284.50/x
  3. Step 3: Cross multiply
    38,910.42x = 58,371.39 × 14,284.50
  4. Step 4: Simplify right side
    38,910.42x = 833,806,120.46
  5. Step 5: Solve for x
    x = 833,806,120.46/38,910.42
  6. Step 6: Final answer
    x = 21,428.86

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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.