Home / 47,889.07-71,858.21-21,253.31

Finding the Fourth Proportional to 47,889.07, 71,858.21 and 21,253.31

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Solution

The fourth proportional to 47,889.07, 71,858.21 and 21,253.31 is: 31,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,889.07 : 71,858.21 = 21,253.31 : x
  2. Step 2: Convert to fraction form
    47,889.07/71,858.21 = 21,253.31/x
  3. Step 3: Cross multiply
    47,889.07x = 71,858.21 × 21,253.31
  4. Step 4: Simplify right side
    47,889.07x = 1,527,224,813.18
  5. Step 5: Solve for x
    x = 1,527,224,813.18/47,889.07
  6. Step 6: Final answer
    x = 31,890.88

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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.