Home / 38,220.72-57,051.52-35,406.48

Finding the Fourth Proportional to 38,220.72, 57,051.52 and 35,406.48

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Solution

The fourth proportional to 38,220.72, 57,051.52 and 35,406.48 is: 52,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.72 : 57,051.52 = 35,406.48 : x
  2. Step 2: Convert to fraction form
    38,220.72/57,051.52 = 35,406.48/x
  3. Step 3: Cross multiply
    38,220.72x = 57,051.52 × 35,406.48
  4. Step 4: Simplify right side
    38,220.72x = 2,019,993,501.85
  5. Step 5: Solve for x
    x = 2,019,993,501.85/38,220.72
  6. Step 6: Final answer
    x = 52,850.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.