Home / 30,012.23-45,023.19-9,235.73

Finding the Fourth Proportional to 30,012.23, 45,023.19 and 9,235.73

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Solution

The fourth proportional to 30,012.23, 45,023.19 and 9,235.73 is: 13,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.23 : 45,023.19 = 9,235.73 : x
  2. Step 2: Convert to fraction form
    30,012.23/45,023.19 = 9,235.73/x
  3. Step 3: Cross multiply
    30,012.23x = 45,023.19 × 9,235.73
  4. Step 4: Simplify right side
    30,012.23x = 415,821,801.46
  5. Step 5: Solve for x
    x = 415,821,801.46/30,012.23
  6. Step 6: Final answer
    x = 13,855.08

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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.