Home / 30,410.90-41,967.70-19,080.84

Finding the Fourth Proportional to 30,410.90, 41,967.70 and 19,080.84

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Solution

The fourth proportional to 30,410.90, 41,967.70 and 19,080.84 is: 26,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.90 : 41,967.70 = 19,080.84 : x
  2. Step 2: Convert to fraction form
    30,410.90/41,967.70 = 19,080.84/x
  3. Step 3: Cross multiply
    30,410.90x = 41,967.70 × 19,080.84
  4. Step 4: Simplify right side
    30,410.90x = 800,778,968.87
  5. Step 5: Solve for x
    x = 800,778,968.87/30,410.90
  6. Step 6: Final answer
    x = 26,331.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.