Home / 51,319.68-70,821.44-30,099.36

Finding the Fourth Proportional to 51,319.68, 70,821.44 and 30,099.36

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Solution

The fourth proportional to 51,319.68, 70,821.44 and 30,099.36 is: 41,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,319.68 : 70,821.44 = 30,099.36 : x
  2. Step 2: Convert to fraction form
    51,319.68/70,821.44 = 30,099.36/x
  3. Step 3: Cross multiply
    51,319.68x = 70,821.44 × 30,099.36
  4. Step 4: Simplify right side
    51,319.68x = 2,131,680,018.28
  5. Step 5: Solve for x
    x = 2,131,680,018.28/51,319.68
  6. Step 6: Final answer
    x = 41,537.28

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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.