Home / 30,621.31-45,889.20-16,551.01

Finding the Fourth Proportional to 30,621.31, 45,889.20 and 16,551.01

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Solution

The fourth proportional to 30,621.31, 45,889.20 and 16,551.01 is: 24,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.31 : 45,889.20 = 16,551.01 : x
  2. Step 2: Convert to fraction form
    30,621.31/45,889.20 = 16,551.01/x
  3. Step 3: Cross multiply
    30,621.31x = 45,889.20 × 16,551.01
  4. Step 4: Simplify right side
    30,621.31x = 759,512,608.09
  5. Step 5: Solve for x
    x = 759,512,608.09/30,621.31
  6. Step 6: Final answer
    x = 24,803.40

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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.