Home / 30,873.90-46,261.63-19,771.45

Finding the Fourth Proportional to 30,873.90, 46,261.63 and 19,771.45

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Solution

The fourth proportional to 30,873.90, 46,261.63 and 19,771.45 is: 29,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.90 : 46,261.63 = 19,771.45 : x
  2. Step 2: Convert to fraction form
    30,873.90/46,261.63 = 19,771.45/x
  3. Step 3: Cross multiply
    30,873.90x = 46,261.63 × 19,771.45
  4. Step 4: Simplify right side
    30,873.90x = 914,659,504.46
  5. Step 5: Solve for x
    x = 914,659,504.46/30,873.90
  6. Step 6: Final answer
    x = 29,625.65

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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.