Home / 51,308.10-76,970.25-21,726.12

Finding the Fourth Proportional to 51,308.10, 76,970.25 and 21,726.12

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Solution

The fourth proportional to 51,308.10, 76,970.25 and 21,726.12 is: 32,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.10 : 76,970.25 = 21,726.12 : x
  2. Step 2: Convert to fraction form
    51,308.10/76,970.25 = 21,726.12/x
  3. Step 3: Cross multiply
    51,308.10x = 76,970.25 × 21,726.12
  4. Step 4: Simplify right side
    51,308.10x = 1,672,264,887.93
  5. Step 5: Solve for x
    x = 1,672,264,887.93/51,308.10
  6. Step 6: Final answer
    x = 32,592.61

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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.