Home / 47,638.80-71,435.12-14,352.66

Finding the Fourth Proportional to 47,638.80, 71,435.12 and 14,352.66

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Solution

The fourth proportional to 47,638.80, 71,435.12 and 14,352.66 is: 21,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.80 : 71,435.12 = 14,352.66 : x
  2. Step 2: Convert to fraction form
    47,638.80/71,435.12 = 14,352.66/x
  3. Step 3: Cross multiply
    47,638.80x = 71,435.12 × 14,352.66
  4. Step 4: Simplify right side
    47,638.80x = 1,025,283,917.66
  5. Step 5: Solve for x
    x = 1,025,283,917.66/47,638.80
  6. Step 6: Final answer
    x = 21,522.03

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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.