Home / 38,661.38-53,351.80-22,746.86

Finding the Fourth Proportional to 38,661.38, 53,351.80 and 22,746.86

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Solution

The fourth proportional to 38,661.38, 53,351.80 and 22,746.86 is: 31,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.38 : 53,351.80 = 22,746.86 : x
  2. Step 2: Convert to fraction form
    38,661.38/53,351.80 = 22,746.86/x
  3. Step 3: Cross multiply
    38,661.38x = 53,351.80 × 22,746.86
  4. Step 4: Simplify right side
    38,661.38x = 1,213,585,601.72
  5. Step 5: Solve for x
    x = 1,213,585,601.72/38,661.38
  6. Step 6: Final answer
    x = 31,390.13

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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.