Home / 34,466.78-51,667.85-13,420.33

Finding the Fourth Proportional to 34,466.78, 51,667.85 and 13,420.33

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Solution

The fourth proportional to 34,466.78, 51,667.85 and 13,420.33 is: 20,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,466.78 : 51,667.85 = 13,420.33 : x
  2. Step 2: Convert to fraction form
    34,466.78/51,667.85 = 13,420.33/x
  3. Step 3: Cross multiply
    34,466.78x = 51,667.85 × 13,420.33
  4. Step 4: Simplify right side
    34,466.78x = 693,399,501.77
  5. Step 5: Solve for x
    x = 693,399,501.77/34,466.78
  6. Step 6: Final answer
    x = 20,117.91

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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.