Home / 39,405.31-59,107.96-16,911.11

Finding the Fourth Proportional to 39,405.31, 59,107.96 and 16,911.11

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Solution

The fourth proportional to 39,405.31, 59,107.96 and 16,911.11 is: 25,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.31 : 59,107.96 = 16,911.11 : x
  2. Step 2: Convert to fraction form
    39,405.31/59,107.96 = 16,911.11/x
  3. Step 3: Cross multiply
    39,405.31x = 59,107.96 × 16,911.11
  4. Step 4: Simplify right side
    39,405.31x = 999,581,213.44
  5. Step 5: Solve for x
    x = 999,581,213.44/39,405.31
  6. Step 6: Final answer
    x = 25,366.66

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1.5x scale

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.