Home / 51,009.14-70,391.22-28,348.04

Finding the Fourth Proportional to 51,009.14, 70,391.22 and 28,348.04

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Solution

The fourth proportional to 51,009.14, 70,391.22 and 28,348.04 is: 39,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.14 : 70,391.22 = 28,348.04 : x
  2. Step 2: Convert to fraction form
    51,009.14/70,391.22 = 28,348.04/x
  3. Step 3: Cross multiply
    51,009.14x = 70,391.22 × 28,348.04
  4. Step 4: Simplify right side
    51,009.14x = 1,995,453,120.21
  5. Step 5: Solve for x
    x = 1,995,453,120.21/51,009.14
  6. Step 6: Final answer
    x = 39,119.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.