Home / 39,220.64-54,111.44-22,223.28

Finding the Fourth Proportional to 39,220.64, 54,111.44 and 22,223.28

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Solution

The fourth proportional to 39,220.64, 54,111.44 and 22,223.28 is: 30,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.64 : 54,111.44 = 22,223.28 : x
  2. Step 2: Convert to fraction form
    39,220.64/54,111.44 = 22,223.28/x
  3. Step 3: Cross multiply
    39,220.64x = 54,111.44 × 22,223.28
  4. Step 4: Simplify right side
    39,220.64x = 1,202,533,682.32
  5. Step 5: Solve for x
    x = 1,202,533,682.32/39,220.64
  6. Step 6: Final answer
    x = 30,660.74

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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.