Home / 38,446.06-53,055.57-21,679.06

Finding the Fourth Proportional to 38,446.06, 53,055.57 and 21,679.06

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Solution

The fourth proportional to 38,446.06, 53,055.57 and 21,679.06 is: 29,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.06 : 53,055.57 = 21,679.06 : x
  2. Step 2: Convert to fraction form
    38,446.06/53,055.57 = 21,679.06/x
  3. Step 3: Cross multiply
    38,446.06x = 53,055.57 × 21,679.06
  4. Step 4: Simplify right side
    38,446.06x = 1,150,194,885.36
  5. Step 5: Solve for x
    x = 1,150,194,885.36/38,446.06
  6. Step 6: Final answer
    x = 29,917.11

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Double scale
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Similar ratio
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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.