Home / 29,543.86-40,774.44-18,789.75

Finding the Fourth Proportional to 29,543.86, 40,774.44 and 18,789.75

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Solution

The fourth proportional to 29,543.86, 40,774.44 and 18,789.75 is: 25,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,543.86 : 40,774.44 = 18,789.75 : x
  2. Step 2: Convert to fraction form
    29,543.86/40,774.44 = 18,789.75/x
  3. Step 3: Cross multiply
    29,543.86x = 40,774.44 × 18,789.75
  4. Step 4: Simplify right side
    29,543.86x = 766,141,533.99
  5. Step 5: Solve for x
    x = 766,141,533.99/29,543.86
  6. Step 6: Final answer
    x = 25,932.34

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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.