Home / 38,331.70-52,895.37-22,415.20

Finding the Fourth Proportional to 38,331.70, 52,895.37 and 22,415.20

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Solution

The fourth proportional to 38,331.70, 52,895.37 and 22,415.20 is: 30,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.70 : 52,895.37 = 22,415.20 : x
  2. Step 2: Convert to fraction form
    38,331.70/52,895.37 = 22,415.20/x
  3. Step 3: Cross multiply
    38,331.70x = 52,895.37 × 22,415.20
  4. Step 4: Simplify right side
    38,331.70x = 1,185,660,297.62
  5. Step 5: Solve for x
    x = 1,185,660,297.62/38,331.70
  6. Step 6: Final answer
    x = 30,931.59

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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.