Home / 53,519.12-73,850.02-30,865.52

Finding the Fourth Proportional to 53,519.12, 73,850.02 and 30,865.52

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Solution

The fourth proportional to 53,519.12, 73,850.02 and 30,865.52 is: 42,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.12 : 73,850.02 = 30,865.52 : x
  2. Step 2: Convert to fraction form
    53,519.12/73,850.02 = 30,865.52/x
  3. Step 3: Cross multiply
    53,519.12x = 73,850.02 × 30,865.52
  4. Step 4: Simplify right side
    53,519.12x = 2,279,419,269.31
  5. Step 5: Solve for x
    x = 2,279,419,269.31/53,519.12
  6. Step 6: Final answer
    x = 42,590.75

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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.