Home / 37,113.96-51,216.64-20,981.02

Finding the Fourth Proportional to 37,113.96, 51,216.64 and 20,981.02

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Solution

The fourth proportional to 37,113.96, 51,216.64 and 20,981.02 is: 28,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,113.96 : 51,216.64 = 20,981.02 : x
  2. Step 2: Convert to fraction form
    37,113.96/51,216.64 = 20,981.02/x
  3. Step 3: Cross multiply
    37,113.96x = 51,216.64 × 20,981.02
  4. Step 4: Simplify right side
    37,113.96x = 1,074,577,183.44
  5. Step 5: Solve for x
    x = 1,074,577,183.44/37,113.96
  6. Step 6: Final answer
    x = 28,953.45

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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.