Home / 30,748.52-46,137.35-18,293.15

Finding the Fourth Proportional to 30,748.52, 46,137.35 and 18,293.15

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Solution

The fourth proportional to 30,748.52, 46,137.35 and 18,293.15 is: 27,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.52 : 46,137.35 = 18,293.15 : x
  2. Step 2: Convert to fraction form
    30,748.52/46,137.35 = 18,293.15/x
  3. Step 3: Cross multiply
    30,748.52x = 46,137.35 × 18,293.15
  4. Step 4: Simplify right side
    30,748.52x = 843,997,279.20
  5. Step 5: Solve for x
    x = 843,997,279.20/30,748.52
  6. Step 6: Final answer
    x = 27,448.39

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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.