Home / 31,889.19-47,804.28-14,110.43

Finding the Fourth Proportional to 31,889.19, 47,804.28 and 14,110.43

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Solution

The fourth proportional to 31,889.19, 47,804.28 and 14,110.43 is: 21,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889.19 : 47,804.28 = 14,110.43 : x
  2. Step 2: Convert to fraction form
    31,889.19/47,804.28 = 14,110.43/x
  3. Step 3: Cross multiply
    31,889.19x = 47,804.28 × 14,110.43
  4. Step 4: Simplify right side
    31,889.19x = 674,538,946.64
  5. Step 5: Solve for x
    x = 674,538,946.64/31,889.19
  6. Step 6: Final answer
    x = 21,152.59

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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.