Home / 31,659.72-47,476.60-14,117.56

Finding the Fourth Proportional to 31,659.72, 47,476.60 and 14,117.56

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Solution

The fourth proportional to 31,659.72, 47,476.60 and 14,117.56 is: 21,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.72 : 47,476.60 = 14,117.56 : x
  2. Step 2: Convert to fraction form
    31,659.72/47,476.60 = 14,117.56/x
  3. Step 3: Cross multiply
    31,659.72x = 47,476.60 × 14,117.56
  4. Step 4: Simplify right side
    31,659.72x = 670,253,749.10
  5. Step 5: Solve for x
    x = 670,253,749.10/31,659.72
  6. Step 6: Final answer
    x = 21,170.55

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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.