Home / 46,629.41-69,929.53-20,307.65

Finding the Fourth Proportional to 46,629.41, 69,929.53 and 20,307.65

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Solution

The fourth proportional to 46,629.41, 69,929.53 and 20,307.65 is: 30,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,629.41 : 69,929.53 = 20,307.65 : x
  2. Step 2: Convert to fraction form
    46,629.41/69,929.53 = 20,307.65/x
  3. Step 3: Cross multiply
    46,629.41x = 69,929.53 × 20,307.65
  4. Step 4: Simplify right side
    46,629.41x = 1,420,104,019.49
  5. Step 5: Solve for x
    x = 1,420,104,019.49/46,629.41
  6. Step 6: Final answer
    x = 30,455.12

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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.