Home / 47,401.31-71,113.67-14,121.25

Finding the Fourth Proportional to 47,401.31, 71,113.67 and 14,121.25

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Solution

The fourth proportional to 47,401.31, 71,113.67 and 14,121.25 is: 21,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,401.31 : 71,113.67 = 14,121.25 : x
  2. Step 2: Convert to fraction form
    47,401.31/71,113.67 = 14,121.25/x
  3. Step 3: Cross multiply
    47,401.31x = 71,113.67 × 14,121.25
  4. Step 4: Simplify right side
    47,401.31x = 1,004,213,717.05
  5. Step 5: Solve for x
    x = 1,004,213,717.05/47,401.31
  6. Step 6: Final answer
    x = 21,185.36

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1.5x scale

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.