Home / 56,787.48-78,327-48,230.64

Finding the Fourth Proportional to 56,787.48, 78,327 and 48,230.64

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Solution

The fourth proportional to 56,787.48, 78,327 and 48,230.64 is: 66,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,787.48 : 78,327 = 48,230.64 : x
  2. Step 2: Convert to fraction form
    56,787.48/78,327 = 48,230.64/x
  3. Step 3: Cross multiply
    56,787.48x = 78,327 × 48,230.64
  4. Step 4: Simplify right side
    56,787.48x = 3,777,761,339.28
  5. Step 5: Solve for x
    x = 3,777,761,339.28/56,787.48
  6. Step 6: Final answer
    x = 66,524.55

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1.5x scale

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.