Home / 30,638.44-42,273.66-17,887.96

Finding the Fourth Proportional to 30,638.44, 42,273.66 and 17,887.96

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Solution

The fourth proportional to 30,638.44, 42,273.66 and 17,887.96 is: 24,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.44 : 42,273.66 = 17,887.96 : x
  2. Step 2: Convert to fraction form
    30,638.44/42,273.66 = 17,887.96/x
  3. Step 3: Cross multiply
    30,638.44x = 42,273.66 × 17,887.96
  4. Step 4: Simplify right side
    30,638.44x = 756,189,539.13
  5. Step 5: Solve for x
    x = 756,189,539.13/30,638.44
  6. Step 6: Final answer
    x = 24,681.07

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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.