Home / 30,273.36-45,410.16-8,086.80

Finding the Fourth Proportional to 30,273.36, 45,410.16 and 8,086.80

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Solution

The fourth proportional to 30,273.36, 45,410.16 and 8,086.80 is: 12,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.36 : 45,410.16 = 8,086.80 : x
  2. Step 2: Convert to fraction form
    30,273.36/45,410.16 = 8,086.80/x
  3. Step 3: Cross multiply
    30,273.36x = 45,410.16 × 8,086.80
  4. Step 4: Simplify right side
    30,273.36x = 367,222,881.89
  5. Step 5: Solve for x
    x = 367,222,881.89/30,273.36
  6. Step 6: Final answer
    x = 12,130.23

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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.