Home / 30,858.24-46,310.40-19,188.48

Finding the Fourth Proportional to 30,858.24, 46,310.40 and 19,188.48

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Solution

The fourth proportional to 30,858.24, 46,310.40 and 19,188.48 is: 28,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.24 : 46,310.40 = 19,188.48 : x
  2. Step 2: Convert to fraction form
    30,858.24/46,310.40 = 19,188.48/x
  3. Step 3: Cross multiply
    30,858.24x = 46,310.40 × 19,188.48
  4. Step 4: Simplify right side
    30,858.24x = 888,626,184.19
  5. Step 5: Solve for x
    x = 888,626,184.19/30,858.24
  6. Step 6: Final answer
    x = 28,797.05

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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.