Home / 49,644.68-68,515.06-28,430.92

Finding the Fourth Proportional to 49,644.68, 68,515.06 and 28,430.92

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Solution

The fourth proportional to 49,644.68, 68,515.06 and 28,430.92 is: 39,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,644.68 : 68,515.06 = 28,430.92 : x
  2. Step 2: Convert to fraction form
    49,644.68/68,515.06 = 28,430.92/x
  3. Step 3: Cross multiply
    49,644.68x = 68,515.06 × 28,430.92
  4. Step 4: Simplify right side
    49,644.68x = 1,947,946,189.66
  5. Step 5: Solve for x
    x = 1,947,946,189.66/49,644.68
  6. Step 6: Final answer
    x = 39,237.76

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1.5x scale

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.