Home / 40,183.76-60,275.16-19,392.56

Finding the Fourth Proportional to 40,183.76, 60,275.16 and 19,392.56

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Solution

The fourth proportional to 40,183.76, 60,275.16 and 19,392.56 is: 29,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.76 : 60,275.16 = 19,392.56 : x
  2. Step 2: Convert to fraction form
    40,183.76/60,275.16 = 19,392.56/x
  3. Step 3: Cross multiply
    40,183.76x = 60,275.16 × 19,392.56
  4. Step 4: Simplify right side
    40,183.76x = 1,168,889,656.81
  5. Step 5: Solve for x
    x = 1,168,889,656.81/40,183.76
  6. Step 6: Final answer
    x = 29,088.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.