Home / 47,401.28-71,117.29-14,121.63

Finding the Fourth Proportional to 47,401.28, 71,117.29 and 14,121.63

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Solution

The fourth proportional to 47,401.28, 71,117.29 and 14,121.63 is: 21,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,401.28 : 71,117.29 = 14,121.63 : x
  2. Step 2: Convert to fraction form
    47,401.28/71,117.29 = 14,121.63/x
  3. Step 3: Cross multiply
    47,401.28x = 71,117.29 × 14,121.63
  4. Step 4: Simplify right side
    47,401.28x = 1,004,291,629.79
  5. Step 5: Solve for x
    x = 1,004,291,629.79/47,401.28
  6. Step 6: Final answer
    x = 21,187.02

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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.