Home / 47,014.75-70,521.34-18,934.10

Finding the Fourth Proportional to 47,014.75, 70,521.34 and 18,934.10

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Solution

The fourth proportional to 47,014.75, 70,521.34 and 18,934.10 is: 28,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,014.75 : 70,521.34 = 18,934.10 : x
  2. Step 2: Convert to fraction form
    47,014.75/70,521.34 = 18,934.10/x
  3. Step 3: Cross multiply
    47,014.75x = 70,521.34 × 18,934.10
  4. Step 4: Simplify right side
    47,014.75x = 1,335,257,703.75
  5. Step 5: Solve for x
    x = 1,335,257,703.75/47,014.75
  6. Step 6: Final answer
    x = 28,400.83

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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.