Home / 46,919.97-70,391.00-13,639.07

Finding the Fourth Proportional to 46,919.97, 70,391.00 and 13,639.07

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Solution

The fourth proportional to 46,919.97, 70,391.00 and 13,639.07 is: 20,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,919.97 : 70,391.00 = 13,639.07 : x
  2. Step 2: Convert to fraction form
    46,919.97/70,391.00 = 13,639.07/x
  3. Step 3: Cross multiply
    46,919.97x = 70,391.00 × 13,639.07
  4. Step 4: Simplify right side
    46,919.97x = 960,067,356.22
  5. Step 5: Solve for x
    x = 960,067,356.22/46,919.97
  6. Step 6: Final answer
    x = 20,461.81

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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.