Home / 51,267.84-70,754.49-31,120.09

Finding the Fourth Proportional to 51,267.84, 70,754.49 and 31,120.09

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Solution

The fourth proportional to 51,267.84, 70,754.49 and 31,120.09 is: 42,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267.84 : 70,754.49 = 31,120.09 : x
  2. Step 2: Convert to fraction form
    51,267.84/70,754.49 = 31,120.09/x
  3. Step 3: Cross multiply
    51,267.84x = 70,754.49 × 31,120.09
  4. Step 4: Simplify right side
    51,267.84x = 2,201,886,096.70
  5. Step 5: Solve for x
    x = 2,201,886,096.70/51,267.84
  6. Step 6: Final answer
    x = 42,948.68

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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.