Home / 45,533.81-68,294.56-12,255.87

Finding the Fourth Proportional to 45,533.81, 68,294.56 and 12,255.87

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Solution

The fourth proportional to 45,533.81, 68,294.56 and 12,255.87 is: 18,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,533.81 : 68,294.56 = 12,255.87 : x
  2. Step 2: Convert to fraction form
    45,533.81/68,294.56 = 12,255.87/x
  3. Step 3: Cross multiply
    45,533.81x = 68,294.56 × 12,255.87
  4. Step 4: Simplify right side
    45,533.81x = 837,008,846.32
  5. Step 5: Solve for x
    x = 837,008,846.32/45,533.81
  6. Step 6: Final answer
    x = 18,382.14

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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.