Home / 30,224.34-45,343.80-19,143.54

Finding the Fourth Proportional to 30,224.34, 45,343.80 and 19,143.54

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Solution

The fourth proportional to 30,224.34, 45,343.80 and 19,143.54 is: 28,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.34 : 45,343.80 = 19,143.54 : x
  2. Step 2: Convert to fraction form
    30,224.34/45,343.80 = 19,143.54/x
  3. Step 3: Cross multiply
    30,224.34x = 45,343.80 × 19,143.54
  4. Step 4: Simplify right side
    30,224.34x = 868,040,849.05
  5. Step 5: Solve for x
    x = 868,040,849.05/30,224.34
  6. Step 6: Final answer
    x = 28,719.93

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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.