Home / 30,346-45,509.14-11,625.04

Finding the Fourth Proportional to 30,346, 45,509.14 and 11,625.04

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Solution

The fourth proportional to 30,346, 45,509.14 and 11,625.04 is: 17,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346 : 45,509.14 = 11,625.04 : x
  2. Step 2: Convert to fraction form
    30,346/45,509.14 = 11,625.04/x
  3. Step 3: Cross multiply
    30,346x = 45,509.14 × 11,625.04
  4. Step 4: Simplify right side
    30,346x = 529,045,572.87
  5. Step 5: Solve for x
    x = 529,045,572.87/30,346
  6. Step 6: Final answer
    x = 17,433.78

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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.