Home / 31,524.02-47,254.10-20,437.73

Finding the Fourth Proportional to 31,524.02, 47,254.10 and 20,437.73

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Solution

The fourth proportional to 31,524.02, 47,254.10 and 20,437.73 is: 30,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.02 : 47,254.10 = 20,437.73 : x
  2. Step 2: Convert to fraction form
    31,524.02/47,254.10 = 20,437.73/x
  3. Step 3: Cross multiply
    31,524.02x = 47,254.10 × 20,437.73
  4. Step 4: Simplify right side
    31,524.02x = 965,766,198.73
  5. Step 5: Solve for x
    x = 965,766,198.73/31,524.02
  6. Step 6: Final answer
    x = 30,635.89

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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.