Home / 38,884.20-53,659.59-21,888.41

Finding the Fourth Proportional to 38,884.20, 53,659.59 and 21,888.41

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Solution

The fourth proportional to 38,884.20, 53,659.59 and 21,888.41 is: 30,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,884.20 : 53,659.59 = 21,888.41 : x
  2. Step 2: Convert to fraction form
    38,884.20/53,659.59 = 21,888.41/x
  3. Step 3: Cross multiply
    38,884.20x = 53,659.59 × 21,888.41
  4. Step 4: Simplify right side
    38,884.20x = 1,174,523,106.35
  5. Step 5: Solve for x
    x = 1,174,523,106.35/38,884.20
  6. Step 6: Final answer
    x = 30,205.66

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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.