Home / 29,660.53-40,931.54-16,231.79

Finding the Fourth Proportional to 29,660.53, 40,931.54 and 16,231.79

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Solution

The fourth proportional to 29,660.53, 40,931.54 and 16,231.79 is: 22,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.53 : 40,931.54 = 16,231.79 : x
  2. Step 2: Convert to fraction form
    29,660.53/40,931.54 = 16,231.79/x
  3. Step 3: Cross multiply
    29,660.53x = 40,931.54 × 16,231.79
  4. Step 4: Simplify right side
    29,660.53x = 664,391,875.84
  5. Step 5: Solve for x
    x = 664,391,875.84/29,660.53
  6. Step 6: Final answer
    x = 22,399.87

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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.