Home / 52,443.92-72,374.28-28,571.36

Finding the Fourth Proportional to 52,443.92, 72,374.28 and 28,571.36

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Solution

The fourth proportional to 52,443.92, 72,374.28 and 28,571.36 is: 39,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,443.92 : 72,374.28 = 28,571.36 : x
  2. Step 2: Convert to fraction form
    52,443.92/72,374.28 = 28,571.36/x
  3. Step 3: Cross multiply
    52,443.92x = 72,374.28 × 28,571.36
  4. Step 4: Simplify right side
    52,443.92x = 2,067,831,608.62
  5. Step 5: Solve for x
    x = 2,067,831,608.62/52,443.92
  6. Step 6: Final answer
    x = 39,429.39

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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.