Home / 30,365.74-45,485.70-17,848

Finding the Fourth Proportional to 30,365.74, 45,485.70 and 17,848

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Solution

The fourth proportional to 30,365.74, 45,485.70 and 17,848 is: 26,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.74 : 45,485.70 = 17,848 : x
  2. Step 2: Convert to fraction form
    30,365.74/45,485.70 = 17,848/x
  3. Step 3: Cross multiply
    30,365.74x = 45,485.70 × 17,848
  4. Step 4: Simplify right side
    30,365.74x = 811,828,773.60
  5. Step 5: Solve for x
    x = 811,828,773.60/30,365.74
  6. Step 6: Final answer
    x = 26,735.02

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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.