Home / 30,254.03-45,333.63-19,137.24

Finding the Fourth Proportional to 30,254.03, 45,333.63 and 19,137.24

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Solution

The fourth proportional to 30,254.03, 45,333.63 and 19,137.24 is: 28,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.03 : 45,333.63 = 19,137.24 : x
  2. Step 2: Convert to fraction form
    30,254.03/45,333.63 = 19,137.24/x
  3. Step 3: Cross multiply
    30,254.03x = 45,333.63 × 19,137.24
  4. Step 4: Simplify right side
    30,254.03x = 867,560,371.62
  5. Step 5: Solve for x
    x = 867,560,371.62/30,254.03
  6. Step 6: Final answer
    x = 28,675.86

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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.