Home / 48,483.24-66,890.79-39,515.33

Finding the Fourth Proportional to 48,483.24, 66,890.79 and 39,515.33

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Solution

The fourth proportional to 48,483.24, 66,890.79 and 39,515.33 is: 54,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,483.24 : 66,890.79 = 39,515.33 : x
  2. Step 2: Convert to fraction form
    48,483.24/66,890.79 = 39,515.33/x
  3. Step 3: Cross multiply
    48,483.24x = 66,890.79 × 39,515.33
  4. Step 4: Simplify right side
    48,483.24x = 2,643,211,306.36
  5. Step 5: Solve for x
    x = 2,643,211,306.36/48,483.24
  6. Step 6: Final answer
    x = 54,518.04

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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.