Home / 38,649.36-53,336.04-21,883.92

Finding the Fourth Proportional to 38,649.36, 53,336.04 and 21,883.92

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Solution

The fourth proportional to 38,649.36, 53,336.04 and 21,883.92 is: 30,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.36 : 53,336.04 = 21,883.92 : x
  2. Step 2: Convert to fraction form
    38,649.36/53,336.04 = 21,883.92/x
  3. Step 3: Cross multiply
    38,649.36x = 53,336.04 × 21,883.92
  4. Step 4: Simplify right side
    38,649.36x = 1,167,201,632.48
  5. Step 5: Solve for x
    x = 1,167,201,632.48/38,649.36
  6. Step 6: Final answer
    x = 30,199.77

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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.