Home / 29,143.74-40,234.95-19,236.54

Finding the Fourth Proportional to 29,143.74, 40,234.95 and 19,236.54

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Solution

The fourth proportional to 29,143.74, 40,234.95 and 19,236.54 is: 26,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.74 : 40,234.95 = 19,236.54 : x
  2. Step 2: Convert to fraction form
    29,143.74/40,234.95 = 19,236.54/x
  3. Step 3: Cross multiply
    29,143.74x = 40,234.95 × 19,236.54
  4. Step 4: Simplify right side
    29,143.74x = 773,981,225.07
  5. Step 5: Solve for x
    x = 773,981,225.07/29,143.74
  6. Step 6: Final answer
    x = 26,557.37

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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.