Home / 19,538.30-29,307.35-4,747.26

Finding the Fourth Proportional to 19,538.30, 29,307.35 and 4,747.26

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Solution

The fourth proportional to 19,538.30, 29,307.35 and 4,747.26 is: 7,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.30 : 29,307.35 = 4,747.26 : x
  2. Step 2: Convert to fraction form
    19,538.30/29,307.35 = 4,747.26/x
  3. Step 3: Cross multiply
    19,538.30x = 29,307.35 × 4,747.26
  4. Step 4: Simplify right side
    19,538.30x = 139,129,440.09
  5. Step 5: Solve for x
    x = 139,129,440.09/19,538.30
  6. Step 6: Final answer
    x = 7,120.86

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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.