Home / 46,661.36-70,021.20-18,959.36

Finding the Fourth Proportional to 46,661.36, 70,021.20 and 18,959.36

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Solution

The fourth proportional to 46,661.36, 70,021.20 and 18,959.36 is: 28,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,661.36 : 70,021.20 = 18,959.36 : x
  2. Step 2: Convert to fraction form
    46,661.36/70,021.20 = 18,959.36/x
  3. Step 3: Cross multiply
    46,661.36x = 70,021.20 × 18,959.36
  4. Step 4: Simplify right side
    46,661.36x = 1,327,557,138.43
  5. Step 5: Solve for x
    x = 1,327,557,138.43/46,661.36
  6. Step 6: Final answer
    x = 28,450.89

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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.