Home / 51,223.30-76,845.21-21,641.02

Finding the Fourth Proportional to 51,223.30, 76,845.21 and 21,641.02

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Solution

The fourth proportional to 51,223.30, 76,845.21 and 21,641.02 is: 32,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,223.30 : 76,845.21 = 21,641.02 : x
  2. Step 2: Convert to fraction form
    51,223.30/76,845.21 = 21,641.02/x
  3. Step 3: Cross multiply
    51,223.30x = 76,845.21 × 21,641.02
  4. Step 4: Simplify right side
    51,223.30x = 1,663,008,726.51
  5. Step 5: Solve for x
    x = 1,663,008,726.51/51,223.30
  6. Step 6: Final answer
    x = 32,465.86

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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.