Home / 77,029.12-115,544.10-23,720.44

Finding the Fourth Proportional to 77,029.12, 115,544.10 and 23,720.44

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Solution

The fourth proportional to 77,029.12, 115,544.10 and 23,720.44 is: 35,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,029.12 : 115,544.10 = 23,720.44 : x
  2. Step 2: Convert to fraction form
    77,029.12/115,544.10 = 23,720.44/x
  3. Step 3: Cross multiply
    77,029.12x = 115,544.10 × 23,720.44
  4. Step 4: Simplify right side
    77,029.12x = 2,740,756,891.40
  5. Step 5: Solve for x
    x = 2,740,756,891.40/77,029.12
  6. Step 6: Final answer
    x = 35,580.79

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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.