Home / 52,453.01-72,385.99-28,579.68

Finding the Fourth Proportional to 52,453.01, 72,385.99 and 28,579.68

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Solution

The fourth proportional to 52,453.01, 72,385.99 and 28,579.68 is: 39,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.01 : 72,385.99 = 28,579.68 : x
  2. Step 2: Convert to fraction form
    52,453.01/72,385.99 = 28,579.68/x
  3. Step 3: Cross multiply
    52,453.01x = 72,385.99 × 28,579.68
  4. Step 4: Simplify right side
    52,453.01x = 2,068,768,359.23
  5. Step 5: Solve for x
    x = 2,068,768,359.23/52,453.01
  6. Step 6: Final answer
    x = 39,440.41

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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.