Home / 30,990.07-46,459.19-14,362.02

Finding the Fourth Proportional to 30,990.07, 46,459.19 and 14,362.02

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Solution

The fourth proportional to 30,990.07, 46,459.19 and 14,362.02 is: 21,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,990.07 : 46,459.19 = 14,362.02 : x
  2. Step 2: Convert to fraction form
    30,990.07/46,459.19 = 14,362.02/x
  3. Step 3: Cross multiply
    30,990.07x = 46,459.19 × 14,362.02
  4. Step 4: Simplify right side
    30,990.07x = 667,247,815.96
  5. Step 5: Solve for x
    x = 667,247,815.96/30,990.07
  6. Step 6: Final answer
    x = 21,531.02

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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.