Home / 31,838.78-47,741.75-14,293.56

Finding the Fourth Proportional to 31,838.78, 47,741.75 and 14,293.56

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Solution

The fourth proportional to 31,838.78, 47,741.75 and 14,293.56 is: 21,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.78 : 47,741.75 = 14,293.56 : x
  2. Step 2: Convert to fraction form
    31,838.78/47,741.75 = 14,293.56/x
  3. Step 3: Cross multiply
    31,838.78x = 47,741.75 × 14,293.56
  4. Step 4: Simplify right side
    31,838.78x = 682,399,568.13
  5. Step 5: Solve for x
    x = 682,399,568.13/31,838.78
  6. Step 6: Final answer
    x = 21,432.97

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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.