Home / 34,658.56-47,836.22-21,903.62

Finding the Fourth Proportional to 34,658.56, 47,836.22 and 21,903.62

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Solution

The fourth proportional to 34,658.56, 47,836.22 and 21,903.62 is: 30,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.56 : 47,836.22 = 21,903.62 : x
  2. Step 2: Convert to fraction form
    34,658.56/47,836.22 = 21,903.62/x
  3. Step 3: Cross multiply
    34,658.56x = 47,836.22 × 21,903.62
  4. Step 4: Simplify right side
    34,658.56x = 1,047,786,385.12
  5. Step 5: Solve for x
    x = 1,047,786,385.12/34,658.56
  6. Step 6: Final answer
    x = 30,231.68

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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.