Home / 43,254.18-64,851.30-16,961.58

Finding the Fourth Proportional to 43,254.18, 64,851.30 and 16,961.58

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Solution

The fourth proportional to 43,254.18, 64,851.30 and 16,961.58 is: 25,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,254.18 : 64,851.30 = 16,961.58 : x
  2. Step 2: Convert to fraction form
    43,254.18/64,851.30 = 16,961.58/x
  3. Step 3: Cross multiply
    43,254.18x = 64,851.30 × 16,961.58
  4. Step 4: Simplify right side
    43,254.18x = 1,099,980,513.05
  5. Step 5: Solve for x
    x = 1,099,980,513.05/43,254.18
  6. Step 6: Final answer
    x = 25,430.62

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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.