Home / 31,284.11-46,916.24-10,219.35

Finding the Fourth Proportional to 31,284.11, 46,916.24 and 10,219.35

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Solution

The fourth proportional to 31,284.11, 46,916.24 and 10,219.35 is: 15,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.11 : 46,916.24 = 10,219.35 : x
  2. Step 2: Convert to fraction form
    31,284.11/46,916.24 = 10,219.35/x
  3. Step 3: Cross multiply
    31,284.11x = 46,916.24 × 10,219.35
  4. Step 4: Simplify right side
    31,284.11x = 479,453,426.15
  5. Step 5: Solve for x
    x = 479,453,426.15/31,284.11
  6. Step 6: Final answer
    x = 15,325.78

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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.