Home / 57,965.36-79,987.20-33,762.56

Finding the Fourth Proportional to 57,965.36, 79,987.20 and 33,762.56

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Solution

The fourth proportional to 57,965.36, 79,987.20 and 33,762.56 is: 46,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.36 : 79,987.20 = 33,762.56 : x
  2. Step 2: Convert to fraction form
    57,965.36/79,987.20 = 33,762.56/x
  3. Step 3: Cross multiply
    57,965.36x = 79,987.20 × 33,762.56
  4. Step 4: Simplify right side
    57,965.36x = 2,700,572,639.23
  5. Step 5: Solve for x
    x = 2,700,572,639.23/57,965.36
  6. Step 6: Final answer
    x = 46,589.42

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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.