Home / 51,904.76-71,628.56-28,031.43

Finding the Fourth Proportional to 51,904.76, 71,628.56 and 28,031.43

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Solution

The fourth proportional to 51,904.76, 71,628.56 and 28,031.43 is: 38,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.76 : 71,628.56 = 28,031.43 : x
  2. Step 2: Convert to fraction form
    51,904.76/71,628.56 = 28,031.43/x
  3. Step 3: Cross multiply
    51,904.76x = 71,628.56 × 28,031.43
  4. Step 4: Simplify right side
    51,904.76x = 2,007,850,825.48
  5. Step 5: Solve for x
    x = 2,007,850,825.48/51,904.76
  6. Step 6: Final answer
    x = 38,683.37

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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.