Home / 46,215.72-69,322.32-12,938.04

Finding the Fourth Proportional to 46,215.72, 69,322.32 and 12,938.04

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Solution

The fourth proportional to 46,215.72, 69,322.32 and 12,938.04 is: 19,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,215.72 : 69,322.32 = 12,938.04 : x
  2. Step 2: Convert to fraction form
    46,215.72/69,322.32 = 12,938.04/x
  3. Step 3: Cross multiply
    46,215.72x = 69,322.32 × 12,938.04
  4. Step 4: Simplify right side
    46,215.72x = 896,894,949.05
  5. Step 5: Solve for x
    x = 896,894,949.05/46,215.72
  6. Step 6: Final answer
    x = 19,406.71

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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.