Home / 51,084.87-70,467.96-30,661.46

Finding the Fourth Proportional to 51,084.87, 70,467.96 and 30,661.46

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Solution

The fourth proportional to 51,084.87, 70,467.96 and 30,661.46 is: 42,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084.87 : 70,467.96 = 30,661.46 : x
  2. Step 2: Convert to fraction form
    51,084.87/70,467.96 = 30,661.46/x
  3. Step 3: Cross multiply
    51,084.87x = 70,467.96 × 30,661.46
  4. Step 4: Simplify right side
    51,084.87x = 2,160,650,536.82
  5. Step 5: Solve for x
    x = 2,160,650,536.82/51,084.87
  6. Step 6: Final answer
    x = 42,295.31

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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.