Home / 30,353.58-45,464.76-19,812.24

Finding the Fourth Proportional to 30,353.58, 45,464.76 and 19,812.24

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Solution

The fourth proportional to 30,353.58, 45,464.76 and 19,812.24 is: 29,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.58 : 45,464.76 = 19,812.24 : x
  2. Step 2: Convert to fraction form
    30,353.58/45,464.76 = 19,812.24/x
  3. Step 3: Cross multiply
    30,353.58x = 45,464.76 × 19,812.24
  4. Step 4: Simplify right side
    30,353.58x = 900,758,736.66
  5. Step 5: Solve for x
    x = 900,758,736.66/30,353.58
  6. Step 6: Final answer
    x = 29,675.54

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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.