Home / 46,919.88-70,379.82-15,777

Finding the Fourth Proportional to 46,919.88, 70,379.82 and 15,777

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Solution

The fourth proportional to 46,919.88, 70,379.82 and 15,777 is: 23,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,919.88 : 70,379.82 = 15,777 : x
  2. Step 2: Convert to fraction form
    46,919.88/70,379.82 = 15,777/x
  3. Step 3: Cross multiply
    46,919.88x = 70,379.82 × 15,777
  4. Step 4: Simplify right side
    46,919.88x = 1,110,382,420.14
  5. Step 5: Solve for x
    x = 1,110,382,420.14/46,919.88
  6. Step 6: Final answer
    x = 23,665.50

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1.5x scale

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.