Home / 50,235.20-75,352.80-20,633.60

Finding the Fourth Proportional to 50,235.20, 75,352.80 and 20,633.60

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Solution

The fourth proportional to 50,235.20, 75,352.80 and 20,633.60 is: 30,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,235.20 : 75,352.80 = 20,633.60 : x
  2. Step 2: Convert to fraction form
    50,235.20/75,352.80 = 20,633.60/x
  3. Step 3: Cross multiply
    50,235.20x = 75,352.80 × 20,633.60
  4. Step 4: Simplify right side
    50,235.20x = 1,554,799,534.08
  5. Step 5: Solve for x
    x = 1,554,799,534.08/50,235.20
  6. Step 6: Final answer
    x = 30,950.40

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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.