Home / 34,208.72-51,271.15-19,430.06

Finding the Fourth Proportional to 34,208.72, 51,271.15 and 19,430.06

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Solution

The fourth proportional to 34,208.72, 51,271.15 and 19,430.06 is: 29,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,208.72 : 51,271.15 = 19,430.06 : x
  2. Step 2: Convert to fraction form
    34,208.72/51,271.15 = 19,430.06/x
  3. Step 3: Cross multiply
    34,208.72x = 51,271.15 × 19,430.06
  4. Step 4: Simplify right side
    34,208.72x = 996,201,520.77
  5. Step 5: Solve for x
    x = 996,201,520.77/34,208.72
  6. Step 6: Final answer
    x = 29,121.27

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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.