Home / 31,610.62-47,422.99-11,889.35

Finding the Fourth Proportional to 31,610.62, 47,422.99 and 11,889.35

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Solution

The fourth proportional to 31,610.62, 47,422.99 and 11,889.35 is: 17,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.62 : 47,422.99 = 11,889.35 : x
  2. Step 2: Convert to fraction form
    31,610.62/47,422.99 = 11,889.35/x
  3. Step 3: Cross multiply
    31,610.62x = 47,422.99 × 11,889.35
  4. Step 4: Simplify right side
    31,610.62x = 563,828,289.04
  5. Step 5: Solve for x
    x = 563,828,289.04/31,610.62
  6. Step 6: Final answer
    x = 17,836.68

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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.