Home / 38,550.09-53,197.38-21,554.13

Finding the Fourth Proportional to 38,550.09, 53,197.38 and 21,554.13

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Solution

The fourth proportional to 38,550.09, 53,197.38 and 21,554.13 is: 29,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.09 : 53,197.38 = 21,554.13 : x
  2. Step 2: Convert to fraction form
    38,550.09/53,197.38 = 21,554.13/x
  3. Step 3: Cross multiply
    38,550.09x = 53,197.38 × 21,554.13
  4. Step 4: Simplify right side
    38,550.09x = 1,146,623,244.18
  5. Step 5: Solve for x
    x = 1,146,623,244.18/38,550.09
  6. Step 6: Final answer
    x = 29,743.72

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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.