Home / 30,038.52-45,073.82-19,506.04

Finding the Fourth Proportional to 30,038.52, 45,073.82 and 19,506.04

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Solution

The fourth proportional to 30,038.52, 45,073.82 and 19,506.04 is: 29,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.52 : 45,073.82 = 19,506.04 : x
  2. Step 2: Convert to fraction form
    30,038.52/45,073.82 = 19,506.04/x
  3. Step 3: Cross multiply
    30,038.52x = 45,073.82 × 19,506.04
  4. Step 4: Simplify right side
    30,038.52x = 879,211,735.87
  5. Step 5: Solve for x
    x = 879,211,735.87/30,038.52
  6. Step 6: Final answer
    x = 29,269.48

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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.