Home / 31,793.56-47,690.32-13,083.76

Finding the Fourth Proportional to 31,793.56, 47,690.32 and 13,083.76

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Solution

The fourth proportional to 31,793.56, 47,690.32 and 13,083.76 is: 19,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.56 : 47,690.32 = 13,083.76 : x
  2. Step 2: Convert to fraction form
    31,793.56/47,690.32 = 13,083.76/x
  3. Step 3: Cross multiply
    31,793.56x = 47,690.32 × 13,083.76
  4. Step 4: Simplify right side
    31,793.56x = 623,968,701.20
  5. Step 5: Solve for x
    x = 623,968,701.20/31,793.56
  6. Step 6: Final answer
    x = 19,625.63

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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.