Home / 51,503.09-71,043.23-30,264.89

Finding the Fourth Proportional to 51,503.09, 71,043.23 and 30,264.89

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Solution

The fourth proportional to 51,503.09, 71,043.23 and 30,264.89 is: 41,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.09 : 71,043.23 = 30,264.89 : x
  2. Step 2: Convert to fraction form
    51,503.09/71,043.23 = 30,264.89/x
  3. Step 3: Cross multiply
    51,503.09x = 71,043.23 × 30,264.89
  4. Step 4: Simplify right side
    51,503.09x = 2,150,115,389.87
  5. Step 5: Solve for x
    x = 2,150,115,389.87/51,503.09
  6. Step 6: Final answer
    x = 41,747.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.