Home / 38,883.18-53,661.60-22,116.18

Finding the Fourth Proportional to 38,883.18, 53,661.60 and 22,116.18

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Solution

The fourth proportional to 38,883.18, 53,661.60 and 22,116.18 is: 30,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.18 : 53,661.60 = 22,116.18 : x
  2. Step 2: Convert to fraction form
    38,883.18/53,661.60 = 22,116.18/x
  3. Step 3: Cross multiply
    38,883.18x = 53,661.60 × 22,116.18
  4. Step 4: Simplify right side
    38,883.18x = 1,186,789,604.69
  5. Step 5: Solve for x
    x = 1,186,789,604.69/38,883.18
  6. Step 6: Final answer
    x = 30,521.93

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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.