Home / 47,352.25-71,028.51-12,292.21

Finding the Fourth Proportional to 47,352.25, 71,028.51 and 12,292.21

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Solution

The fourth proportional to 47,352.25, 71,028.51 and 12,292.21 is: 18,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,352.25 : 71,028.51 = 12,292.21 : x
  2. Step 2: Convert to fraction form
    47,352.25/71,028.51 = 12,292.21/x
  3. Step 3: Cross multiply
    47,352.25x = 71,028.51 × 12,292.21
  4. Step 4: Simplify right side
    47,352.25x = 873,097,360.91
  5. Step 5: Solve for x
    x = 873,097,360.91/47,352.25
  6. Step 6: Final answer
    x = 18,438.35

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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.