Home / 30,568.08-45,822.96-9,777.36

Finding the Fourth Proportional to 30,568.08, 45,822.96 and 9,777.36

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Solution

The fourth proportional to 30,568.08, 45,822.96 and 9,777.36 is: 14,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.08 : 45,822.96 = 9,777.36 : x
  2. Step 2: Convert to fraction form
    30,568.08/45,822.96 = 9,777.36/x
  3. Step 3: Cross multiply
    30,568.08x = 45,822.96 × 9,777.36
  4. Step 4: Simplify right side
    30,568.08x = 448,027,576.19
  5. Step 5: Solve for x
    x = 448,027,576.19/30,568.08
  6. Step 6: Final answer
    x = 14,656.71

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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.