Home / 30,233.23-45,347.41-19,107.48

Finding the Fourth Proportional to 30,233.23, 45,347.41 and 19,107.48

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Solution

The fourth proportional to 30,233.23, 45,347.41 and 19,107.48 is: 28,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.23 : 45,347.41 = 19,107.48 : x
  2. Step 2: Convert to fraction form
    30,233.23/45,347.41 = 19,107.48/x
  3. Step 3: Cross multiply
    30,233.23x = 45,347.41 × 19,107.48
  4. Step 4: Simplify right side
    30,233.23x = 866,474,729.63
  5. Step 5: Solve for x
    x = 866,474,729.63/30,233.23
  6. Step 6: Final answer
    x = 28,659.68

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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.