Home / 30,858.24-46,290.04-8,671.80

Finding the Fourth Proportional to 30,858.24, 46,290.04 and 8,671.80

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Solution

The fourth proportional to 30,858.24, 46,290.04 and 8,671.80 is: 13,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.24 : 46,290.04 = 8,671.80 : x
  2. Step 2: Convert to fraction form
    30,858.24/46,290.04 = 8,671.80/x
  3. Step 3: Cross multiply
    30,858.24x = 46,290.04 × 8,671.80
  4. Step 4: Simplify right side
    30,858.24x = 401,417,968.87
  5. Step 5: Solve for x
    x = 401,417,968.87/30,858.24
  6. Step 6: Final answer
    x = 13,008.45

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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.