Home / 47,113.52-70,659.34-13,824.64

Finding the Fourth Proportional to 47,113.52, 70,659.34 and 13,824.64

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Solution

The fourth proportional to 47,113.52, 70,659.34 and 13,824.64 is: 20,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.52 : 70,659.34 = 13,824.64 : x
  2. Step 2: Convert to fraction form
    47,113.52/70,659.34 = 13,824.64/x
  3. Step 3: Cross multiply
    47,113.52x = 70,659.34 × 13,824.64
  4. Step 4: Simplify right side
    47,113.52x = 976,839,991.90
  5. Step 5: Solve for x
    x = 976,839,991.90/47,113.52
  6. Step 6: Final answer
    x = 20,733.75

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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.