Home / 56,997.72-78,654.41-31,502.77

Finding the Fourth Proportional to 56,997.72, 78,654.41 and 31,502.77

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Solution

The fourth proportional to 56,997.72, 78,654.41 and 31,502.77 is: 43,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.72 : 78,654.41 = 31,502.77 : x
  2. Step 2: Convert to fraction form
    56,997.72/78,654.41 = 31,502.77/x
  3. Step 3: Cross multiply
    56,997.72x = 78,654.41 × 31,502.77
  4. Step 4: Simplify right side
    56,997.72x = 2,477,831,787.72
  5. Step 5: Solve for x
    x = 2,477,831,787.72/56,997.72
  6. Step 6: Final answer
    x = 43,472.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.