Home / 38,794.46-53,535.60-21,798.77

Finding the Fourth Proportional to 38,794.46, 53,535.60 and 21,798.77

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Solution

The fourth proportional to 38,794.46, 53,535.60 and 21,798.77 is: 30,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.46 : 53,535.60 = 21,798.77 : x
  2. Step 2: Convert to fraction form
    38,794.46/53,535.60 = 21,798.77/x
  3. Step 3: Cross multiply
    38,794.46x = 53,535.60 × 21,798.77
  4. Step 4: Simplify right side
    38,794.46x = 1,167,009,963.53
  5. Step 5: Solve for x
    x = 1,167,009,963.53/38,794.46
  6. Step 6: Final answer
    x = 30,081.88

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Double scale
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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.