Home / 38,965.25-53,772.03-21,060.26

Finding the Fourth Proportional to 38,965.25, 53,772.03 and 21,060.26

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Solution

The fourth proportional to 38,965.25, 53,772.03 and 21,060.26 is: 29,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.25 : 53,772.03 = 21,060.26 : x
  2. Step 2: Convert to fraction form
    38,965.25/53,772.03 = 21,060.26/x
  3. Step 3: Cross multiply
    38,965.25x = 53,772.03 × 21,060.26
  4. Step 4: Simplify right side
    38,965.25x = 1,132,452,942.51
  5. Step 5: Solve for x
    x = 1,132,452,942.51/38,965.25
  6. Step 6: Final answer
    x = 29,063.15

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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.