Home / 31,917.24-47,866.95-19,086.03

Finding the Fourth Proportional to 31,917.24, 47,866.95 and 19,086.03

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Solution

The fourth proportional to 31,917.24, 47,866.95 and 19,086.03 is: 28,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.24 : 47,866.95 = 19,086.03 : x
  2. Step 2: Convert to fraction form
    31,917.24/47,866.95 = 19,086.03/x
  3. Step 3: Cross multiply
    31,917.24x = 47,866.95 × 19,086.03
  4. Step 4: Simplify right side
    31,917.24x = 913,590,043.71
  5. Step 5: Solve for x
    x = 913,590,043.71/31,917.24
  6. Step 6: Final answer
    x = 28,623.72

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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.