Home / 46,788.40-64,586.46-28,890.64

Finding the Fourth Proportional to 46,788.40, 64,586.46 and 28,890.64

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Solution

The fourth proportional to 46,788.40, 64,586.46 and 28,890.64 is: 39,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,788.40 : 64,586.46 = 28,890.64 : x
  2. Step 2: Convert to fraction form
    46,788.40/64,586.46 = 28,890.64/x
  3. Step 3: Cross multiply
    46,788.40x = 64,586.46 × 28,890.64
  4. Step 4: Simplify right side
    46,788.40x = 1,865,944,164.73
  5. Step 5: Solve for x
    x = 1,865,944,164.73/46,788.40
  6. Step 6: Final answer
    x = 39,880.49

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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.