Home / 38,111.36-52,593.60-21,344

Finding the Fourth Proportional to 38,111.36, 52,593.60 and 21,344

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Solution

The fourth proportional to 38,111.36, 52,593.60 and 21,344 is: 29,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.36 : 52,593.60 = 21,344 : x
  2. Step 2: Convert to fraction form
    38,111.36/52,593.60 = 21,344/x
  3. Step 3: Cross multiply
    38,111.36x = 52,593.60 × 21,344
  4. Step 4: Simplify right side
    38,111.36x = 1,122,557,798.40
  5. Step 5: Solve for x
    x = 1,122,557,798.40/38,111.36
  6. Step 6: Final answer
    x = 29,454.68

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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.