Home / 40,848.99-61,273.53-12,769.20

Finding the Fourth Proportional to 40,848.99, 61,273.53 and 12,769.20

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Solution

The fourth proportional to 40,848.99, 61,273.53 and 12,769.20 is: 19,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,848.99 : 61,273.53 = 12,769.20 : x
  2. Step 2: Convert to fraction form
    40,848.99/61,273.53 = 12,769.20/x
  3. Step 3: Cross multiply
    40,848.99x = 61,273.53 × 12,769.20
  4. Step 4: Simplify right side
    40,848.99x = 782,413,959.28
  5. Step 5: Solve for x
    x = 782,413,959.28/40,848.99
  6. Step 6: Final answer
    x = 19,153.81

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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.