Home / 34,237.78-51,285.93-20,154.41

Finding the Fourth Proportional to 34,237.78, 51,285.93 and 20,154.41

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Solution

The fourth proportional to 34,237.78, 51,285.93 and 20,154.41 is: 30,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.78 : 51,285.93 = 20,154.41 : x
  2. Step 2: Convert to fraction form
    34,237.78/51,285.93 = 20,154.41/x
  3. Step 3: Cross multiply
    34,237.78x = 51,285.93 × 20,154.41
  4. Step 4: Simplify right side
    34,237.78x = 1,033,637,520.76
  5. Step 5: Solve for x
    x = 1,033,637,520.76/34,237.78
  6. Step 6: Final answer
    x = 30,189.97

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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.