Home / 57,750.24-79,679.52-36,538.32

Finding the Fourth Proportional to 57,750.24, 79,679.52 and 36,538.32

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Solution

The fourth proportional to 57,750.24, 79,679.52 and 36,538.32 is: 50,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.24 : 79,679.52 = 36,538.32 : x
  2. Step 2: Convert to fraction form
    57,750.24/79,679.52 = 36,538.32/x
  3. Step 3: Cross multiply
    57,750.24x = 79,679.52 × 36,538.32
  4. Step 4: Simplify right side
    57,750.24x = 2,911,355,799.21
  5. Step 5: Solve for x
    x = 2,911,355,799.21/57,750.24
  6. Step 6: Final answer
    x = 50,412.88

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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.