Home / 30,755.35-42,444.30-17,837.25

Finding the Fourth Proportional to 30,755.35, 42,444.30 and 17,837.25

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Solution

The fourth proportional to 30,755.35, 42,444.30 and 17,837.25 is: 24,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.35 : 42,444.30 = 17,837.25 : x
  2. Step 2: Convert to fraction form
    30,755.35/42,444.30 = 17,837.25/x
  3. Step 3: Cross multiply
    30,755.35x = 42,444.30 × 17,837.25
  4. Step 4: Simplify right side
    30,755.35x = 757,089,590.18
  5. Step 5: Solve for x
    x = 757,089,590.18/30,755.35
  6. Step 6: Final answer
    x = 24,616.52

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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.