Home / 56,651.27-84,900.35-21,571.79

Finding the Fourth Proportional to 56,651.27, 84,900.35 and 21,571.79

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Solution

The fourth proportional to 56,651.27, 84,900.35 and 21,571.79 is: 32,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,651.27 : 84,900.35 = 21,571.79 : x
  2. Step 2: Convert to fraction form
    56,651.27/84,900.35 = 21,571.79/x
  3. Step 3: Cross multiply
    56,651.27x = 84,900.35 × 21,571.79
  4. Step 4: Simplify right side
    56,651.27x = 1,831,452,521.13
  5. Step 5: Solve for x
    x = 1,831,452,521.13/56,651.27
  6. Step 6: Final answer
    x = 32,328.53

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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.