Home / 60,014.08-90,021.09-20,571.52

Finding the Fourth Proportional to 60,014.08, 90,021.09 and 20,571.52

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Solution

The fourth proportional to 60,014.08, 90,021.09 and 20,571.52 is: 30,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,014.08 : 90,021.09 = 20,571.52 : x
  2. Step 2: Convert to fraction form
    60,014.08/90,021.09 = 20,571.52/x
  3. Step 3: Cross multiply
    60,014.08x = 90,021.09 × 20,571.52
  4. Step 4: Simplify right side
    60,014.08x = 1,851,870,653.36
  5. Step 5: Solve for x
    x = 1,851,870,653.36/60,014.08
  6. Step 6: Final answer
    x = 30,857.27

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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.