Home / 30,755.85-42,444.99-17,837.75

Finding the Fourth Proportional to 30,755.85, 42,444.99 and 17,837.75

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Solution

The fourth proportional to 30,755.85, 42,444.99 and 17,837.75 is: 24,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.85 : 42,444.99 = 17,837.75 : x
  2. Step 2: Convert to fraction form
    30,755.85/42,444.99 = 17,837.75/x
  3. Step 3: Cross multiply
    30,755.85x = 42,444.99 × 17,837.75
  4. Step 4: Simplify right side
    30,755.85x = 757,123,120.37
  5. Step 5: Solve for x
    x = 757,123,120.37/30,755.85
  6. Step 6: Final answer
    x = 24,617.21

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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.