Home / 30,069.69-45,069.66-11,337.75

Finding the Fourth Proportional to 30,069.69, 45,069.66 and 11,337.75

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Solution

The fourth proportional to 30,069.69, 45,069.66 and 11,337.75 is: 16,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.69 : 45,069.66 = 11,337.75 : x
  2. Step 2: Convert to fraction form
    30,069.69/45,069.66 = 11,337.75/x
  3. Step 3: Cross multiply
    30,069.69x = 45,069.66 × 11,337.75
  4. Step 4: Simplify right side
    30,069.69x = 510,988,537.67
  5. Step 5: Solve for x
    x = 510,988,537.67/30,069.69
  6. Step 6: Final answer
    x = 16,993.48

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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.