Home / 31,760.64-47,599.40-13,018.73

Finding the Fourth Proportional to 31,760.64, 47,599.40 and 13,018.73

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Solution

The fourth proportional to 31,760.64, 47,599.40 and 13,018.73 is: 19,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.64 : 47,599.40 = 13,018.73 : x
  2. Step 2: Convert to fraction form
    31,760.64/47,599.40 = 13,018.73/x
  3. Step 3: Cross multiply
    31,760.64x = 47,599.40 × 13,018.73
  4. Step 4: Simplify right side
    31,760.64x = 619,683,531.31
  5. Step 5: Solve for x
    x = 619,683,531.31/31,760.64
  6. Step 6: Final answer
    x = 19,511.05

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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.