Home / 51,005.43-70,385.97-28,035.33

Finding the Fourth Proportional to 51,005.43, 70,385.97 and 28,035.33

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Solution

The fourth proportional to 51,005.43, 70,385.97 and 28,035.33 is: 38,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,005.43 : 70,385.97 = 28,035.33 : x
  2. Step 2: Convert to fraction form
    51,005.43/70,385.97 = 28,035.33/x
  3. Step 3: Cross multiply
    51,005.43x = 70,385.97 × 28,035.33
  4. Step 4: Simplify right side
    51,005.43x = 1,973,293,896.32
  5. Step 5: Solve for x
    x = 1,973,293,896.32/51,005.43
  6. Step 6: Final answer
    x = 38,687.92

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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.