Home / 51,323.10-76,927.05-21,735.90

Finding the Fourth Proportional to 51,323.10, 76,927.05 and 21,735.90

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Solution

The fourth proportional to 51,323.10, 76,927.05 and 21,735.90 is: 32,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.10 : 76,927.05 = 21,735.90 : x
  2. Step 2: Convert to fraction form
    51,323.10/76,927.05 = 21,735.90/x
  3. Step 3: Cross multiply
    51,323.10x = 76,927.05 × 21,735.90
  4. Step 4: Simplify right side
    51,323.10x = 1,672,078,666.10
  5. Step 5: Solve for x
    x = 1,672,078,666.10/51,323.10
  6. Step 6: Final answer
    x = 32,579.46

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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.