Home / 51,077.05-70,521.05-31,964.54

Finding the Fourth Proportional to 51,077.05, 70,521.05 and 31,964.54

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Solution

The fourth proportional to 51,077.05, 70,521.05 and 31,964.54 is: 44,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,077.05 : 70,521.05 = 31,964.54 : x
  2. Step 2: Convert to fraction form
    51,077.05/70,521.05 = 31,964.54/x
  3. Step 3: Cross multiply
    51,077.05x = 70,521.05 × 31,964.54
  4. Step 4: Simplify right side
    51,077.05x = 2,254,172,940.05
  5. Step 5: Solve for x
    x = 2,254,172,940.05/51,077.05
  6. Step 6: Final answer
    x = 44,132.80

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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.