Home / 34,410.89-51,621.47-12,222.40

Finding the Fourth Proportional to 34,410.89, 51,621.47 and 12,222.40

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Solution

The fourth proportional to 34,410.89, 51,621.47 and 12,222.40 is: 18,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,410.89 : 51,621.47 = 12,222.40 : x
  2. Step 2: Convert to fraction form
    34,410.89/51,621.47 = 12,222.40/x
  3. Step 3: Cross multiply
    34,410.89x = 51,621.47 × 12,222.40
  4. Step 4: Simplify right side
    34,410.89x = 630,938,254.93
  5. Step 5: Solve for x
    x = 630,938,254.93/34,410.89
  6. Step 6: Final answer
    x = 18,335.42

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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.