Home / 34,835.55-48,072.53-18,919.86

Finding the Fourth Proportional to 34,835.55, 48,072.53 and 18,919.86

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Solution

The fourth proportional to 34,835.55, 48,072.53 and 18,919.86 is: 26,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,835.55 : 48,072.53 = 18,919.86 : x
  2. Step 2: Convert to fraction form
    34,835.55/48,072.53 = 18,919.86/x
  3. Step 3: Cross multiply
    34,835.55x = 48,072.53 × 18,919.86
  4. Step 4: Simplify right side
    34,835.55x = 909,525,537.45
  5. Step 5: Solve for x
    x = 909,525,537.45/34,835.55
  6. Step 6: Final answer
    x = 26,109.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.