Home / 30,372.98-41,897.13-18,265.02

Finding the Fourth Proportional to 30,372.98, 41,897.13 and 18,265.02

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Solution

The fourth proportional to 30,372.98, 41,897.13 and 18,265.02 is: 25,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.98 : 41,897.13 = 18,265.02 : x
  2. Step 2: Convert to fraction form
    30,372.98/41,897.13 = 18,265.02/x
  3. Step 3: Cross multiply
    30,372.98x = 41,897.13 × 18,265.02
  4. Step 4: Simplify right side
    30,372.98x = 765,251,917.39
  5. Step 5: Solve for x
    x = 765,251,917.39/30,372.98
  6. Step 6: Final answer
    x = 25,195.16

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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.