Home / 63,212.72-94,787.34-21,077.89

Finding the Fourth Proportional to 63,212.72, 94,787.34 and 21,077.89

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Solution

The fourth proportional to 63,212.72, 94,787.34 and 21,077.89 is: 31,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.72 : 94,787.34 = 21,077.89 : x
  2. Step 2: Convert to fraction form
    63,212.72/94,787.34 = 21,077.89/x
  3. Step 3: Cross multiply
    63,212.72x = 94,787.34 × 21,077.89
  4. Step 4: Simplify right side
    63,212.72x = 1,997,917,125.91
  5. Step 5: Solve for x
    x = 1,997,917,125.91/63,212.72
  6. Step 6: Final answer
    x = 31,606.25

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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.