Home / 35,113.10-52,690.43-12,942.05

Finding the Fourth Proportional to 35,113.10, 52,690.43 and 12,942.05

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Solution

The fourth proportional to 35,113.10, 52,690.43 and 12,942.05 is: 19,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,113.10 : 52,690.43 = 12,942.05 : x
  2. Step 2: Convert to fraction form
    35,113.10/52,690.43 = 12,942.05/x
  3. Step 3: Cross multiply
    35,113.10x = 52,690.43 × 12,942.05
  4. Step 4: Simplify right side
    35,113.10x = 681,921,948.48
  5. Step 5: Solve for x
    x = 681,921,948.48/35,113.10
  6. Step 6: Final answer
    x = 19,420.73

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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.