Home / 60,104.40-90,161.44-20,661.52

Finding the Fourth Proportional to 60,104.40, 90,161.44 and 20,661.52

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Solution

The fourth proportional to 60,104.40, 90,161.44 and 20,661.52 is: 30,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,104.40 : 90,161.44 = 20,661.52 : x
  2. Step 2: Convert to fraction form
    60,104.40/90,161.44 = 20,661.52/x
  3. Step 3: Cross multiply
    60,104.40x = 90,161.44 × 20,661.52
  4. Step 4: Simplify right side
    60,104.40x = 1,862,872,395.79
  5. Step 5: Solve for x
    x = 1,862,872,395.79/60,104.40
  6. Step 6: Final answer
    x = 30,993.94

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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.