Home / 30,290.85-45,441.47-11,572.56

Finding the Fourth Proportional to 30,290.85, 45,441.47 and 11,572.56

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Solution

The fourth proportional to 30,290.85, 45,441.47 and 11,572.56 is: 17,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.85 : 45,441.47 = 11,572.56 : x
  2. Step 2: Convert to fraction form
    30,290.85/45,441.47 = 11,572.56/x
  3. Step 3: Cross multiply
    30,290.85x = 45,441.47 × 11,572.56
  4. Step 4: Simplify right side
    30,290.85x = 525,874,166.99
  5. Step 5: Solve for x
    x = 525,874,166.99/30,290.85
  6. Step 6: Final answer
    x = 17,360.83

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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.