Home / 89,020.64-133,538.24-29,856.80

Finding the Fourth Proportional to 89,020.64, 133,538.24 and 29,856.80

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Solution

The fourth proportional to 89,020.64, 133,538.24 and 29,856.80 is: 44,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.64 : 133,538.24 = 29,856.80 : x
  2. Step 2: Convert to fraction form
    89,020.64/133,538.24 = 29,856.80/x
  3. Step 3: Cross multiply
    89,020.64x = 133,538.24 × 29,856.80
  4. Step 4: Simplify right side
    89,020.64x = 3,987,024,524.03
  5. Step 5: Solve for x
    x = 3,987,024,524.03/89,020.64
  6. Step 6: Final answer
    x = 44,787.64

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1.5x scale

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.