Home / 43,898.21-65,857.80-14,316.08

Finding the Fourth Proportional to 43,898.21, 65,857.80 and 14,316.08

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Solution

The fourth proportional to 43,898.21, 65,857.80 and 14,316.08 is: 21,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,898.21 : 65,857.80 = 14,316.08 : x
  2. Step 2: Convert to fraction form
    43,898.21/65,857.80 = 14,316.08/x
  3. Step 3: Cross multiply
    43,898.21x = 65,857.80 × 14,316.08
  4. Step 4: Simplify right side
    43,898.21x = 942,825,204.14
  5. Step 5: Solve for x
    x = 942,825,204.14/43,898.21
  6. Step 6: Final answer
    x = 21,477.53

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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.