Home / 45,787.48-63,123.90-31,615.96

Finding the Fourth Proportional to 45,787.48, 63,123.90 and 31,615.96

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Solution

The fourth proportional to 45,787.48, 63,123.90 and 31,615.96 is: 43,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.48 : 63,123.90 = 31,615.96 : x
  2. Step 2: Convert to fraction form
    45,787.48/63,123.90 = 31,615.96/x
  3. Step 3: Cross multiply
    45,787.48x = 63,123.90 × 31,615.96
  4. Step 4: Simplify right side
    45,787.48x = 1,995,722,697.44
  5. Step 5: Solve for x
    x = 1,995,722,697.44/45,787.48
  6. Step 6: Final answer
    x = 43,586.65

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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.