Home / 35,807.20-53,691.90-12,106.60

Finding the Fourth Proportional to 35,807.20, 53,691.90 and 12,106.60

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Solution

The fourth proportional to 35,807.20, 53,691.90 and 12,106.60 is: 18,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.20 : 53,691.90 = 12,106.60 : x
  2. Step 2: Convert to fraction form
    35,807.20/53,691.90 = 12,106.60/x
  3. Step 3: Cross multiply
    35,807.20x = 53,691.90 × 12,106.60
  4. Step 4: Simplify right side
    35,807.20x = 650,026,176.91
  5. Step 5: Solve for x
    x = 650,026,176.91/35,807.20
  6. Step 6: Final answer
    x = 18,153.51

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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.