Home / 30,958.20-46,440.54-19,261.80

Finding the Fourth Proportional to 30,958.20, 46,440.54 and 19,261.80

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Solution

The fourth proportional to 30,958.20, 46,440.54 and 19,261.80 is: 28,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.20 : 46,440.54 = 19,261.80 : x
  2. Step 2: Convert to fraction form
    30,958.20/46,440.54 = 19,261.80/x
  3. Step 3: Cross multiply
    30,958.20x = 46,440.54 × 19,261.80
  4. Step 4: Simplify right side
    30,958.20x = 894,528,393.37
  5. Step 5: Solve for x
    x = 894,528,393.37/30,958.20
  6. Step 6: Final answer
    x = 28,894.72

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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.