Home / 57,593.32-79,442.37-39,657.16

Finding the Fourth Proportional to 57,593.32, 79,442.37 and 39,657.16

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Solution

The fourth proportional to 57,593.32, 79,442.37 and 39,657.16 is: 54,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593.32 : 79,442.37 = 39,657.16 : x
  2. Step 2: Convert to fraction form
    57,593.32/79,442.37 = 39,657.16/x
  3. Step 3: Cross multiply
    57,593.32x = 79,442.37 × 39,657.16
  4. Step 4: Simplify right side
    57,593.32x = 3,150,458,777.87
  5. Step 5: Solve for x
    x = 3,150,458,777.87/57,593.32
  6. Step 6: Final answer
    x = 54,701.81

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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.