Home / 45,237.23-67,805.03-21,233.31

Finding the Fourth Proportional to 45,237.23, 67,805.03 and 21,233.31

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Solution

The fourth proportional to 45,237.23, 67,805.03 and 21,233.31 is: 31,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.23 : 67,805.03 = 21,233.31 : x
  2. Step 2: Convert to fraction form
    45,237.23/67,805.03 = 21,233.31/x
  3. Step 3: Cross multiply
    45,237.23x = 67,805.03 × 21,233.31
  4. Step 4: Simplify right side
    45,237.23x = 1,439,725,274.63
  5. Step 5: Solve for x
    x = 1,439,725,274.63/45,237.23
  6. Step 6: Final answer
    x = 31,826.12

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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.