Home / 38,558.48-53,228-22,643.92

Finding the Fourth Proportional to 38,558.48, 53,228 and 22,643.92

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Solution

The fourth proportional to 38,558.48, 53,228 and 22,643.92 is: 31,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.48 : 53,228 = 22,643.92 : x
  2. Step 2: Convert to fraction form
    38,558.48/53,228 = 22,643.92/x
  3. Step 3: Cross multiply
    38,558.48x = 53,228 × 22,643.92
  4. Step 4: Simplify right side
    38,558.48x = 1,205,290,573.76
  5. Step 5: Solve for x
    x = 1,205,290,573.76/38,558.48
  6. Step 6: Final answer
    x = 31,258.77

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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.