Home / 31,994.84-47,923.00-20,867.77

Finding the Fourth Proportional to 31,994.84, 47,923.00 and 20,867.77

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Solution

The fourth proportional to 31,994.84, 47,923.00 and 20,867.77 is: 31,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994.84 : 47,923.00 = 20,867.77 : x
  2. Step 2: Convert to fraction form
    31,994.84/47,923.00 = 20,867.77/x
  3. Step 3: Cross multiply
    31,994.84x = 47,923.00 × 20,867.77
  4. Step 4: Simplify right side
    31,994.84x = 1,000,046,037.37
  5. Step 5: Solve for x
    x = 1,000,046,037.37/31,994.84
  6. Step 6: Final answer
    x = 31,256.48

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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.