Home / 30,859.13-46,288.51-8,672.37

Finding the Fourth Proportional to 30,859.13, 46,288.51 and 8,672.37

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Solution

The fourth proportional to 30,859.13, 46,288.51 and 8,672.37 is: 13,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.13 : 46,288.51 = 8,672.37 : x
  2. Step 2: Convert to fraction form
    30,859.13/46,288.51 = 8,672.37/x
  3. Step 3: Cross multiply
    30,859.13x = 46,288.51 × 8,672.37
  4. Step 4: Simplify right side
    30,859.13x = 401,430,938.99
  5. Step 5: Solve for x
    x = 401,430,938.99/30,859.13
  6. Step 6: Final answer
    x = 13,008.50

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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.