Home / 50,328.69-75,465.09-20,766.53

Finding the Fourth Proportional to 50,328.69, 75,465.09 and 20,766.53

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Solution

The fourth proportional to 50,328.69, 75,465.09 and 20,766.53 is: 31,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,328.69 : 75,465.09 = 20,766.53 : x
  2. Step 2: Convert to fraction form
    50,328.69/75,465.09 = 20,766.53/x
  3. Step 3: Cross multiply
    50,328.69x = 75,465.09 × 20,766.53
  4. Step 4: Simplify right side
    50,328.69x = 1,567,147,678.11
  5. Step 5: Solve for x
    x = 1,567,147,678.11/50,328.69
  6. Step 6: Final answer
    x = 31,138.26

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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.