Home / 40,359.36-60,523.68-18,456

Finding the Fourth Proportional to 40,359.36, 60,523.68 and 18,456

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Solution

The fourth proportional to 40,359.36, 60,523.68 and 18,456 is: 27,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,359.36 : 60,523.68 = 18,456 : x
  2. Step 2: Convert to fraction form
    40,359.36/60,523.68 = 18,456/x
  3. Step 3: Cross multiply
    40,359.36x = 60,523.68 × 18,456
  4. Step 4: Simplify right side
    40,359.36x = 1,117,025,038.08
  5. Step 5: Solve for x
    x = 1,117,025,038.08/40,359.36
  6. Step 6: Final answer
    x = 27,676.98

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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.