Home / 31,610.34-47,422.57-11,889.06

Finding the Fourth Proportional to 31,610.34, 47,422.57 and 11,889.06

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Solution

The fourth proportional to 31,610.34, 47,422.57 and 11,889.06 is: 17,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.34 : 47,422.57 = 11,889.06 : x
  2. Step 2: Convert to fraction form
    31,610.34/47,422.57 = 11,889.06/x
  3. Step 3: Cross multiply
    31,610.34x = 47,422.57 × 11,889.06
  4. Step 4: Simplify right side
    31,610.34x = 563,809,905.90
  5. Step 5: Solve for x
    x = 563,809,905.90/31,610.34
  6. Step 6: Final answer
    x = 17,836.25

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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.