Home / 38,536.80-53,180.60-21,541.04

Finding the Fourth Proportional to 38,536.80, 53,180.60 and 21,541.04

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Solution

The fourth proportional to 38,536.80, 53,180.60 and 21,541.04 is: 29,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.80 : 53,180.60 = 21,541.04 : x
  2. Step 2: Convert to fraction form
    38,536.80/53,180.60 = 21,541.04/x
  3. Step 3: Cross multiply
    38,536.80x = 53,180.60 × 21,541.04
  4. Step 4: Simplify right side
    38,536.80x = 1,145,565,431.82
  5. Step 5: Solve for x
    x = 1,145,565,431.82/38,536.80
  6. Step 6: Final answer
    x = 29,726.53

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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.