Home / 38,630.01-53,305.01-21,631.89

Finding the Fourth Proportional to 38,630.01, 53,305.01 and 21,631.89

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Solution

The fourth proportional to 38,630.01, 53,305.01 and 21,631.89 is: 29,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.01 : 53,305.01 = 21,631.89 : x
  2. Step 2: Convert to fraction form
    38,630.01/53,305.01 = 21,631.89/x
  3. Step 3: Cross multiply
    38,630.01x = 53,305.01 × 21,631.89
  4. Step 4: Simplify right side
    38,630.01x = 1,153,088,112.77
  5. Step 5: Solve for x
    x = 1,153,088,112.77/38,630.01
  6. Step 6: Final answer
    x = 29,849.54

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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.