Home / 31,848.03-47,778.80-10,787.06

Finding the Fourth Proportional to 31,848.03, 47,778.80 and 10,787.06

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Solution

The fourth proportional to 31,848.03, 47,778.80 and 10,787.06 is: 16,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.03 : 47,778.80 = 10,787.06 : x
  2. Step 2: Convert to fraction form
    31,848.03/47,778.80 = 10,787.06/x
  3. Step 3: Cross multiply
    31,848.03x = 47,778.80 × 10,787.06
  4. Step 4: Simplify right side
    31,848.03x = 515,392,847.84
  5. Step 5: Solve for x
    x = 515,392,847.84/31,848.03
  6. Step 6: Final answer
    x = 16,182.88

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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.