Home / 30,919.60-46,317.88-16,858.56

Finding the Fourth Proportional to 30,919.60, 46,317.88 and 16,858.56

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Solution

The fourth proportional to 30,919.60, 46,317.88 and 16,858.56 is: 25,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.60 : 46,317.88 = 16,858.56 : x
  2. Step 2: Convert to fraction form
    30,919.60/46,317.88 = 16,858.56/x
  3. Step 3: Cross multiply
    30,919.60x = 46,317.88 × 16,858.56
  4. Step 4: Simplify right side
    30,919.60x = 780,852,468.18
  5. Step 5: Solve for x
    x = 780,852,468.18/30,919.60
  6. Step 6: Final answer
    x = 25,254.29

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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.