Home / 57,643.38-79,565.63-33,777.81

Finding the Fourth Proportional to 57,643.38, 79,565.63 and 33,777.81

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Solution

The fourth proportional to 57,643.38, 79,565.63 and 33,777.81 is: 46,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,643.38 : 79,565.63 = 33,777.81 : x
  2. Step 2: Convert to fraction form
    57,643.38/79,565.63 = 33,777.81/x
  3. Step 3: Cross multiply
    57,643.38x = 79,565.63 × 33,777.81
  4. Step 4: Simplify right side
    57,643.38x = 2,687,552,563.78
  5. Step 5: Solve for x
    x = 2,687,552,563.78/57,643.38
  6. Step 6: Final answer
    x = 46,623.79

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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.