Home / 46,815.26-64,638.88-28,934.78

Finding the Fourth Proportional to 46,815.26, 64,638.88 and 28,934.78

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Solution

The fourth proportional to 46,815.26, 64,638.88 and 28,934.78 is: 39,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,815.26 : 64,638.88 = 28,934.78 : x
  2. Step 2: Convert to fraction form
    46,815.26/64,638.88 = 28,934.78/x
  3. Step 3: Cross multiply
    46,815.26x = 64,638.88 × 28,934.78
  4. Step 4: Simplify right side
    46,815.26x = 1,870,311,376.72
  5. Step 5: Solve for x
    x = 1,870,311,376.72/46,815.26
  6. Step 6: Final answer
    x = 39,950.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.