Home / 77,400.18-116,097.84-21,996.18

Finding the Fourth Proportional to 77,400.18, 116,097.84 and 21,996.18

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Solution

The fourth proportional to 77,400.18, 116,097.84 and 21,996.18 is: 32,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,400.18 : 116,097.84 = 21,996.18 : x
  2. Step 2: Convert to fraction form
    77,400.18/116,097.84 = 21,996.18/x
  3. Step 3: Cross multiply
    77,400.18x = 116,097.84 × 21,996.18
  4. Step 4: Simplify right side
    77,400.18x = 2,553,708,986.25
  5. Step 5: Solve for x
    x = 2,553,708,986.25/77,400.18
  6. Step 6: Final answer
    x = 32,993.58

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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.