Home / 57,035.24-78,707.27-33,170.21

Finding the Fourth Proportional to 57,035.24, 78,707.27 and 33,170.21

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Solution

The fourth proportional to 57,035.24, 78,707.27 and 33,170.21 is: 45,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.24 : 78,707.27 = 33,170.21 : x
  2. Step 2: Convert to fraction form
    57,035.24/78,707.27 = 33,170.21/x
  3. Step 3: Cross multiply
    57,035.24x = 78,707.27 × 33,170.21
  4. Step 4: Simplify right side
    57,035.24x = 2,610,736,508.58
  5. Step 5: Solve for x
    x = 2,610,736,508.58/57,035.24
  6. Step 6: Final answer
    x = 45,774.10

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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.