Home / 60,433.32-90,647.25-20,993.52

Finding the Fourth Proportional to 60,433.32, 90,647.25 and 20,993.52

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Solution

The fourth proportional to 60,433.32, 90,647.25 and 20,993.52 is: 31,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,433.32 : 90,647.25 = 20,993.52 : x
  2. Step 2: Convert to fraction form
    60,433.32/90,647.25 = 20,993.52/x
  3. Step 3: Cross multiply
    60,433.32x = 90,647.25 × 20,993.52
  4. Step 4: Simplify right side
    60,433.32x = 1,903,004,855.82
  5. Step 5: Solve for x
    x = 1,903,004,855.82/60,433.32
  6. Step 6: Final answer
    x = 31,489.33

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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.