Home / 31,963.82-47,904.08-17,155.40

Finding the Fourth Proportional to 31,963.82, 47,904.08 and 17,155.40

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Solution

The fourth proportional to 31,963.82, 47,904.08 and 17,155.40 is: 25,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.82 : 47,904.08 = 17,155.40 : x
  2. Step 2: Convert to fraction form
    31,963.82/47,904.08 = 17,155.40/x
  3. Step 3: Cross multiply
    31,963.82x = 47,904.08 × 17,155.40
  4. Step 4: Simplify right side
    31,963.82x = 821,813,328.73
  5. Step 5: Solve for x
    x = 821,813,328.73/31,963.82
  6. Step 6: Final answer
    x = 25,710.74

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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.