Home / 51,904.89-71,628.74-28,031.56

Finding the Fourth Proportional to 51,904.89, 71,628.74 and 28,031.56

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Solution

The fourth proportional to 51,904.89, 71,628.74 and 28,031.56 is: 38,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.89 : 71,628.74 = 28,031.56 : x
  2. Step 2: Convert to fraction form
    51,904.89/71,628.74 = 28,031.56/x
  3. Step 3: Cross multiply
    51,904.89x = 71,628.74 × 28,031.56
  4. Step 4: Simplify right side
    51,904.89x = 2,007,864,824.73
  5. Step 5: Solve for x
    x = 2,007,864,824.73/51,904.89
  6. Step 6: Final answer
    x = 38,683.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.