Home / 31,120.70-46,667.01-8,929.04

Finding the Fourth Proportional to 31,120.70, 46,667.01 and 8,929.04

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Solution

The fourth proportional to 31,120.70, 46,667.01 and 8,929.04 is: 13,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.70 : 46,667.01 = 8,929.04 : x
  2. Step 2: Convert to fraction form
    31,120.70/46,667.01 = 8,929.04/x
  3. Step 3: Cross multiply
    31,120.70x = 46,667.01 × 8,929.04
  4. Step 4: Simplify right side
    31,120.70x = 416,691,598.97
  5. Step 5: Solve for x
    x = 416,691,598.97/31,120.70
  6. Step 6: Final answer
    x = 13,389.53

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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.