Home / 45,342.99-68,021.78-15,769.22

Finding the Fourth Proportional to 45,342.99, 68,021.78 and 15,769.22

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Solution

The fourth proportional to 45,342.99, 68,021.78 and 15,769.22 is: 23,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.99 : 68,021.78 = 15,769.22 : x
  2. Step 2: Convert to fraction form
    45,342.99/68,021.78 = 15,769.22/x
  3. Step 3: Cross multiply
    45,342.99x = 68,021.78 × 15,769.22
  4. Step 4: Simplify right side
    45,342.99x = 1,072,649,994.66
  5. Step 5: Solve for x
    x = 1,072,649,994.66/45,342.99
  6. Step 6: Final answer
    x = 23,656.36

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1.5x scale

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.