Home / 31,303.17-46,954.76-18,965.25

Finding the Fourth Proportional to 31,303.17, 46,954.76 and 18,965.25

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Solution

The fourth proportional to 31,303.17, 46,954.76 and 18,965.25 is: 28,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.17 : 46,954.76 = 18,965.25 : x
  2. Step 2: Convert to fraction form
    31,303.17/46,954.76 = 18,965.25/x
  3. Step 3: Cross multiply
    31,303.17x = 46,954.76 × 18,965.25
  4. Step 4: Simplify right side
    31,303.17x = 890,508,667.26
  5. Step 5: Solve for x
    x = 890,508,667.26/31,303.17
  6. Step 6: Final answer
    x = 28,447.88

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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.