Home / 31,783.19-47,656.32-12,050.98

Finding the Fourth Proportional to 31,783.19, 47,656.32 and 12,050.98

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Solution

The fourth proportional to 31,783.19, 47,656.32 and 12,050.98 is: 18,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.19 : 47,656.32 = 12,050.98 : x
  2. Step 2: Convert to fraction form
    31,783.19/47,656.32 = 12,050.98/x
  3. Step 3: Cross multiply
    31,783.19x = 47,656.32 × 12,050.98
  4. Step 4: Simplify right side
    31,783.19x = 574,305,359.19
  5. Step 5: Solve for x
    x = 574,305,359.19/31,783.19
  6. Step 6: Final answer
    x = 18,069.47

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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.