Home / 31,624.20-47,326.26-19,610.74

Finding the Fourth Proportional to 31,624.20, 47,326.26 and 19,610.74

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Solution

The fourth proportional to 31,624.20, 47,326.26 and 19,610.74 is: 29,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.20 : 47,326.26 = 19,610.74 : x
  2. Step 2: Convert to fraction form
    31,624.20/47,326.26 = 19,610.74/x
  3. Step 3: Cross multiply
    31,624.20x = 47,326.26 × 19,610.74
  4. Step 4: Simplify right side
    31,624.20x = 928,102,743.40
  5. Step 5: Solve for x
    x = 928,102,743.40/31,624.20
  6. Step 6: Final answer
    x = 29,347.87

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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.