Home / 52,788.43-72,847.38-28,913.68

Finding the Fourth Proportional to 52,788.43, 72,847.38 and 28,913.68

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Solution

The fourth proportional to 52,788.43, 72,847.38 and 28,913.68 is: 39,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.43 : 72,847.38 = 28,913.68 : x
  2. Step 2: Convert to fraction form
    52,788.43/72,847.38 = 28,913.68/x
  3. Step 3: Cross multiply
    52,788.43x = 72,847.38 × 28,913.68
  4. Step 4: Simplify right side
    52,788.43x = 2,106,285,834.16
  5. Step 5: Solve for x
    x = 2,106,285,834.16/52,788.43
  6. Step 6: Final answer
    x = 39,900.52

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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.