Home / 89,022.80-133,534.20-29,838.80

Finding the Fourth Proportional to 89,022.80, 133,534.20 and 29,838.80

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Solution

The fourth proportional to 89,022.80, 133,534.20 and 29,838.80 is: 44,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,022.80 : 133,534.20 = 29,838.80 : x
  2. Step 2: Convert to fraction form
    89,022.80/133,534.20 = 29,838.80/x
  3. Step 3: Cross multiply
    89,022.80x = 133,534.20 × 29,838.80
  4. Step 4: Simplify right side
    89,022.80x = 3,984,500,286.96
  5. Step 5: Solve for x
    x = 3,984,500,286.96/89,022.80
  6. Step 6: Final answer
    x = 44,758.20

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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.