Home / 51,905.43-71,629.47-28,032.11

Finding the Fourth Proportional to 51,905.43, 71,629.47 and 28,032.11

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Solution

The fourth proportional to 51,905.43, 71,629.47 and 28,032.11 is: 38,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.43 : 71,629.47 = 28,032.11 : x
  2. Step 2: Convert to fraction form
    51,905.43/71,629.47 = 28,032.11/x
  3. Step 3: Cross multiply
    51,905.43x = 71,629.47 × 28,032.11
  4. Step 4: Simplify right side
    51,905.43x = 2,007,925,171.59
  5. Step 5: Solve for x
    x = 2,007,925,171.59/51,905.43
  6. Step 6: Final answer
    x = 38,684.30

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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.