Home / 51,059.86-76,572.78-21,472.18

Finding the Fourth Proportional to 51,059.86, 76,572.78 and 21,472.18

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Solution

The fourth proportional to 51,059.86, 76,572.78 and 21,472.18 is: 32,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.86 : 76,572.78 = 21,472.18 : x
  2. Step 2: Convert to fraction form
    51,059.86/76,572.78 = 21,472.18/x
  3. Step 3: Cross multiply
    51,059.86x = 76,572.78 × 21,472.18
  4. Step 4: Simplify right side
    51,059.86x = 1,644,184,515.26
  5. Step 5: Solve for x
    x = 1,644,184,515.26/51,059.86
  6. Step 6: Final answer
    x = 32,201.12

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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.