Home / 31,905.84-47,863.95-10,847.76

Finding the Fourth Proportional to 31,905.84, 47,863.95 and 10,847.76

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Solution

The fourth proportional to 31,905.84, 47,863.95 and 10,847.76 is: 16,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.84 : 47,863.95 = 10,847.76 : x
  2. Step 2: Convert to fraction form
    31,905.84/47,863.95 = 10,847.76/x
  3. Step 3: Cross multiply
    31,905.84x = 47,863.95 × 10,847.76
  4. Step 4: Simplify right side
    31,905.84x = 519,216,691.32
  5. Step 5: Solve for x
    x = 519,216,691.32/31,905.84
  6. Step 6: Final answer
    x = 16,273.41

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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.