Home / 51,905.45-71,629.52-28,032.13

Finding the Fourth Proportional to 51,905.45, 71,629.52 and 28,032.13

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Solution

The fourth proportional to 51,905.45, 71,629.52 and 28,032.13 is: 38,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.45 : 71,629.52 = 28,032.13 : x
  2. Step 2: Convert to fraction form
    51,905.45/71,629.52 = 28,032.13/x
  3. Step 3: Cross multiply
    51,905.45x = 71,629.52 × 28,032.13
  4. Step 4: Simplify right side
    51,905.45x = 2,007,928,016.48
  5. Step 5: Solve for x
    x = 2,007,928,016.48/51,905.45
  6. Step 6: Final answer
    x = 38,684.34

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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.