Home / 51,828.50-77,739.66-30,493.20

Finding the Fourth Proportional to 51,828.50, 77,739.66 and 30,493.20

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Solution

The fourth proportional to 51,828.50, 77,739.66 and 30,493.20 is: 45,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,828.50 : 77,739.66 = 30,493.20 : x
  2. Step 2: Convert to fraction form
    51,828.50/77,739.66 = 30,493.20/x
  3. Step 3: Cross multiply
    51,828.50x = 77,739.66 × 30,493.20
  4. Step 4: Simplify right side
    51,828.50x = 2,370,531,000.31
  5. Step 5: Solve for x
    x = 2,370,531,000.31/51,828.50
  6. Step 6: Final answer
    x = 45,737.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.