Home / 30,153.25-45,280.91-19,641.07

Finding the Fourth Proportional to 30,153.25, 45,280.91 and 19,641.07

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Solution

The fourth proportional to 30,153.25, 45,280.91 and 19,641.07 is: 29,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.25 : 45,280.91 = 19,641.07 : x
  2. Step 2: Convert to fraction form
    30,153.25/45,280.91 = 19,641.07/x
  3. Step 3: Cross multiply
    30,153.25x = 45,280.91 × 19,641.07
  4. Step 4: Simplify right side
    30,153.25x = 889,365,424.77
  5. Step 5: Solve for x
    x = 889,365,424.77/30,153.25
  6. Step 6: Final answer
    x = 29,494.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.