Home / 51,358.05-77,048.91-21,777.03

Finding the Fourth Proportional to 51,358.05, 77,048.91 and 21,777.03

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Solution

The fourth proportional to 51,358.05, 77,048.91 and 21,777.03 is: 32,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,358.05 : 77,048.91 = 21,777.03 : x
  2. Step 2: Convert to fraction form
    51,358.05/77,048.91 = 21,777.03/x
  3. Step 3: Cross multiply
    51,358.05x = 77,048.91 × 21,777.03
  4. Step 4: Simplify right side
    51,358.05x = 1,677,896,424.54
  5. Step 5: Solve for x
    x = 1,677,896,424.54/51,358.05
  6. Step 6: Final answer
    x = 32,670.56

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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.