Home / 31,045.36-46,575.90-8,858.81

Finding the Fourth Proportional to 31,045.36, 46,575.90 and 8,858.81

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Solution

The fourth proportional to 31,045.36, 46,575.90 and 8,858.81 is: 13,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045.36 : 46,575.90 = 8,858.81 : x
  2. Step 2: Convert to fraction form
    31,045.36/46,575.90 = 8,858.81/x
  3. Step 3: Cross multiply
    31,045.36x = 46,575.90 × 8,858.81
  4. Step 4: Simplify right side
    31,045.36x = 412,607,131.90
  5. Step 5: Solve for x
    x = 412,607,131.90/31,045.36
  6. Step 6: Final answer
    x = 13,290.46

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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.