Home / 38,818.80-53,575.61-21,824.45

Finding the Fourth Proportional to 38,818.80, 53,575.61 and 21,824.45

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Solution

The fourth proportional to 38,818.80, 53,575.61 and 21,824.45 is: 30,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.80 : 53,575.61 = 21,824.45 : x
  2. Step 2: Convert to fraction form
    38,818.80/53,575.61 = 21,824.45/x
  3. Step 3: Cross multiply
    38,818.80x = 53,575.61 × 21,824.45
  4. Step 4: Simplify right side
    38,818.80x = 1,169,258,221.66
  5. Step 5: Solve for x
    x = 1,169,258,221.66/38,818.80
  6. Step 6: Final answer
    x = 30,120.93

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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.