Home / 20,743.49-31,116.56-5,952.08

Finding the Fourth Proportional to 20,743.49, 31,116.56 and 5,952.08

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Solution

The fourth proportional to 20,743.49, 31,116.56 and 5,952.08 is: 8,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743.49 : 31,116.56 = 5,952.08 : x
  2. Step 2: Convert to fraction form
    20,743.49/31,116.56 = 5,952.08/x
  3. Step 3: Cross multiply
    20,743.49x = 31,116.56 × 5,952.08
  4. Step 4: Simplify right side
    20,743.49x = 185,208,302.48
  5. Step 5: Solve for x
    x = 185,208,302.48/20,743.49
  6. Step 6: Final answer
    x = 8,928.50

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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.