Home / 31,712.58-47,569.32-15,074.31

Finding the Fourth Proportional to 31,712.58, 47,569.32 and 15,074.31

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Solution

The fourth proportional to 31,712.58, 47,569.32 and 15,074.31 is: 22,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.58 : 47,569.32 = 15,074.31 : x
  2. Step 2: Convert to fraction form
    31,712.58/47,569.32 = 15,074.31/x
  3. Step 3: Cross multiply
    31,712.58x = 47,569.32 × 15,074.31
  4. Step 4: Simplify right side
    31,712.58x = 717,074,676.17
  5. Step 5: Solve for x
    x = 717,074,676.17/31,712.58
  6. Step 6: Final answer
    x = 22,611.68

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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.