Home / 61,813.28-92,736.57-31,811.17

Finding the Fourth Proportional to 61,813.28, 92,736.57 and 31,811.17

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Solution

The fourth proportional to 61,813.28, 92,736.57 and 31,811.17 is: 47,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813.28 : 92,736.57 = 31,811.17 : x
  2. Step 2: Convert to fraction form
    61,813.28/92,736.57 = 31,811.17/x
  3. Step 3: Cross multiply
    61,813.28x = 92,736.57 × 31,811.17
  4. Step 4: Simplify right side
    61,813.28x = 2,950,058,793.49
  5. Step 5: Solve for x
    x = 2,950,058,793.49/61,813.28
  6. Step 6: Final answer
    x = 47,725.32

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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.