Home / 50,308.61-69,421.08-30,161.75

Finding the Fourth Proportional to 50,308.61, 69,421.08 and 30,161.75

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Solution

The fourth proportional to 50,308.61, 69,421.08 and 30,161.75 is: 41,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.61 : 69,421.08 = 30,161.75 : x
  2. Step 2: Convert to fraction form
    50,308.61/69,421.08 = 30,161.75/x
  3. Step 3: Cross multiply
    50,308.61x = 69,421.08 × 30,161.75
  4. Step 4: Simplify right side
    50,308.61x = 2,093,861,259.69
  5. Step 5: Solve for x
    x = 2,093,861,259.69/50,308.61
  6. Step 6: Final answer
    x = 41,620.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.