Home / 30,871.23-46,309.01-8,684.52

Finding the Fourth Proportional to 30,871.23, 46,309.01 and 8,684.52

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Solution

The fourth proportional to 30,871.23, 46,309.01 and 8,684.52 is: 13,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.23 : 46,309.01 = 8,684.52 : x
  2. Step 2: Convert to fraction form
    30,871.23/46,309.01 = 8,684.52/x
  3. Step 3: Cross multiply
    30,871.23x = 46,309.01 × 8,684.52
  4. Step 4: Simplify right side
    30,871.23x = 402,171,480.10
  5. Step 5: Solve for x
    x = 402,171,480.10/30,871.23
  6. Step 6: Final answer
    x = 13,027.39

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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.