Home / 30,550.03-45,835.07-19,292.38

Finding the Fourth Proportional to 30,550.03, 45,835.07 and 19,292.38

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Solution

The fourth proportional to 30,550.03, 45,835.07 and 19,292.38 is: 28,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.03 : 45,835.07 = 19,292.38 : x
  2. Step 2: Convert to fraction form
    30,550.03/45,835.07 = 19,292.38/x
  3. Step 3: Cross multiply
    30,550.03x = 45,835.07 × 19,292.38
  4. Step 4: Simplify right side
    30,550.03x = 884,267,376.72
  5. Step 5: Solve for x
    x = 884,267,376.72/30,550.03
  6. Step 6: Final answer
    x = 28,944.90

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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.