Home / 39,710.09-54,800.03-21,806.26

Finding the Fourth Proportional to 39,710.09, 54,800.03 and 21,806.26

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Solution

The fourth proportional to 39,710.09, 54,800.03 and 21,806.26 is: 30,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,710.09 : 54,800.03 = 21,806.26 : x
  2. Step 2: Convert to fraction form
    39,710.09/54,800.03 = 21,806.26/x
  3. Step 3: Cross multiply
    39,710.09x = 54,800.03 × 21,806.26
  4. Step 4: Simplify right side
    39,710.09x = 1,194,983,702.19
  5. Step 5: Solve for x
    x = 1,194,983,702.19/39,710.09
  6. Step 6: Final answer
    x = 30,092.70

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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.