Home / 39,284.46-58,929.66-12,630.87

Finding the Fourth Proportional to 39,284.46, 58,929.66 and 12,630.87

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Solution

The fourth proportional to 39,284.46, 58,929.66 and 12,630.87 is: 18,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,284.46 : 58,929.66 = 12,630.87 : x
  2. Step 2: Convert to fraction form
    39,284.46/58,929.66 = 12,630.87/x
  3. Step 3: Cross multiply
    39,284.46x = 58,929.66 × 12,630.87
  4. Step 4: Simplify right side
    39,284.46x = 744,332,874.60
  5. Step 5: Solve for x
    x = 744,332,874.60/39,284.46
  6. Step 6: Final answer
    x = 18,947.26

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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.