Home / 39,220.32-54,125.28-29,772.48

Finding the Fourth Proportional to 39,220.32, 54,125.28 and 29,772.48

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Solution

The fourth proportional to 39,220.32, 54,125.28 and 29,772.48 is: 41,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.32 : 54,125.28 = 29,772.48 : x
  2. Step 2: Convert to fraction form
    39,220.32/54,125.28 = 29,772.48/x
  3. Step 3: Cross multiply
    39,220.32x = 54,125.28 × 29,772.48
  4. Step 4: Simplify right side
    39,220.32x = 1,611,443,816.29
  5. Step 5: Solve for x
    x = 1,611,443,816.29/39,220.32
  6. Step 6: Final answer
    x = 41,086.96

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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.