Home / 38,999.04-58,485.78-12,697.44

Finding the Fourth Proportional to 38,999.04, 58,485.78 and 12,697.44

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Solution

The fourth proportional to 38,999.04, 58,485.78 and 12,697.44 is: 19,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.04 : 58,485.78 = 12,697.44 : x
  2. Step 2: Convert to fraction form
    38,999.04/58,485.78 = 12,697.44/x
  3. Step 3: Cross multiply
    38,999.04x = 58,485.78 × 12,697.44
  4. Step 4: Simplify right side
    38,999.04x = 742,619,682.40
  5. Step 5: Solve for x
    x = 742,619,682.40/38,999.04
  6. Step 6: Final answer
    x = 19,042.00

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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.