Home / 50,281.81-75,421.72-20,295.25

Finding the Fourth Proportional to 50,281.81, 75,421.72 and 20,295.25

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Solution

The fourth proportional to 50,281.81, 75,421.72 and 20,295.25 is: 30,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,281.81 : 75,421.72 = 20,295.25 : x
  2. Step 2: Convert to fraction form
    50,281.81/75,421.72 = 20,295.25/x
  3. Step 3: Cross multiply
    50,281.81x = 75,421.72 × 20,295.25
  4. Step 4: Simplify right side
    50,281.81x = 1,530,702,768.85
  5. Step 5: Solve for x
    x = 1,530,702,768.85/50,281.81
  6. Step 6: Final answer
    x = 30,442.48

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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.