Home / 38,833.16-53,588.48-21,838.14

Finding the Fourth Proportional to 38,833.16, 53,588.48 and 21,838.14

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Solution

The fourth proportional to 38,833.16, 53,588.48 and 21,838.14 is: 30,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,833.16 : 53,588.48 = 21,838.14 : x
  2. Step 2: Convert to fraction form
    38,833.16/53,588.48 = 21,838.14/x
  3. Step 3: Cross multiply
    38,833.16x = 53,588.48 × 21,838.14
  4. Step 4: Simplify right side
    38,833.16x = 1,170,272,619.44
  5. Step 5: Solve for x
    x = 1,170,272,619.44/38,833.16
  6. Step 6: Final answer
    x = 30,135.91

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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.