Home / 76,395.83-114,594.39-28,998.20

Finding the Fourth Proportional to 76,395.83, 114,594.39 and 28,998.20

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Solution

The fourth proportional to 76,395.83, 114,594.39 and 28,998.20 is: 43,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,395.83 : 114,594.39 = 28,998.20 : x
  2. Step 2: Convert to fraction form
    76,395.83/114,594.39 = 28,998.20/x
  3. Step 3: Cross multiply
    76,395.83x = 114,594.39 × 28,998.20
  4. Step 4: Simplify right side
    76,395.83x = 3,323,030,467.13
  5. Step 5: Solve for x
    x = 3,323,030,467.13/76,395.83
  6. Step 6: Final answer
    x = 43,497.54

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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.