Home / 37,878.18-56,781-14,179.29

Finding the Fourth Proportional to 37,878.18, 56,781 and 14,179.29

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Solution

The fourth proportional to 37,878.18, 56,781 and 14,179.29 is: 21,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.18 : 56,781 = 14,179.29 : x
  2. Step 2: Convert to fraction form
    37,878.18/56,781 = 14,179.29/x
  3. Step 3: Cross multiply
    37,878.18x = 56,781 × 14,179.29
  4. Step 4: Simplify right side
    37,878.18x = 805,114,265.49
  5. Step 5: Solve for x
    x = 805,114,265.49/37,878.18
  6. Step 6: Final answer
    x = 21,255.36

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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.