Home / 30,755.52-42,444.72-23,188.56

Finding the Fourth Proportional to 30,755.52, 42,444.72 and 23,188.56

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Solution

The fourth proportional to 30,755.52, 42,444.72 and 23,188.56 is: 32,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.52 : 42,444.72 = 23,188.56 : x
  2. Step 2: Convert to fraction form
    30,755.52/42,444.72 = 23,188.56/x
  3. Step 3: Cross multiply
    30,755.52x = 42,444.72 × 23,188.56
  4. Step 4: Simplify right side
    30,755.52x = 984,231,936.40
  5. Step 5: Solve for x
    x = 984,231,936.40/30,755.52
  6. Step 6: Final answer
    x = 32,001.80

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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.