Home / 77,982.26-116,980.54-21,822.21

Finding the Fourth Proportional to 77,982.26, 116,980.54 and 21,822.21

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Solution

The fourth proportional to 77,982.26, 116,980.54 and 21,822.21 is: 32,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,982.26 : 116,980.54 = 21,822.21 : x
  2. Step 2: Convert to fraction form
    77,982.26/116,980.54 = 21,822.21/x
  3. Step 3: Cross multiply
    77,982.26x = 116,980.54 × 21,822.21
  4. Step 4: Simplify right side
    77,982.26x = 2,552,773,855.24
  5. Step 5: Solve for x
    x = 2,552,773,855.24/77,982.26
  6. Step 6: Final answer
    x = 32,735.31

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1.5x scale

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.