Home / 29,152.20-40,203.63-19,077.42

Finding the Fourth Proportional to 29,152.20, 40,203.63 and 19,077.42

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Solution

The fourth proportional to 29,152.20, 40,203.63 and 19,077.42 is: 26,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,152.20 : 40,203.63 = 19,077.42 : x
  2. Step 2: Convert to fraction form
    29,152.20/40,203.63 = 19,077.42/x
  3. Step 3: Cross multiply
    29,152.20x = 40,203.63 × 19,077.42
  4. Step 4: Simplify right side
    29,152.20x = 766,981,535.03
  5. Step 5: Solve for x
    x = 766,981,535.03/29,152.20
  6. Step 6: Final answer
    x = 26,309.56

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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.