Home / 47,274.77-70,912.87-13,998.15

Finding the Fourth Proportional to 47,274.77, 70,912.87 and 13,998.15

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Solution

The fourth proportional to 47,274.77, 70,912.87 and 13,998.15 is: 20,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.77 : 70,912.87 = 13,998.15 : x
  2. Step 2: Convert to fraction form
    47,274.77/70,912.87 = 13,998.15/x
  3. Step 3: Cross multiply
    47,274.77x = 70,912.87 × 13,998.15
  4. Step 4: Simplify right side
    47,274.77x = 992,648,956.20
  5. Step 5: Solve for x
    x = 992,648,956.20/47,274.77
  6. Step 6: Final answer
    x = 20,997.43

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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.