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Finding the Fourth Proportional to 72,383.39, 108,589.59 and 25,000.22

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Solution

The fourth proportional to 72,383.39, 108,589.59 and 25,000.22 is: 37,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,383.39 : 108,589.59 = 25,000.22 : x
  2. Step 2: Convert to fraction form
    72,383.39/108,589.59 = 25,000.22/x
  3. Step 3: Cross multiply
    72,383.39x = 108,589.59 × 25,000.22
  4. Step 4: Simplify right side
    72,383.39x = 2,714,762,971.76
  5. Step 5: Solve for x
    x = 2,714,762,971.76/72,383.39
  6. Step 6: Final answer
    x = 37,505.33

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Double scale
Find fourth proportional to 72,384.39, 108,591.09 and 25,001.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.