Home / 64,137.24-96,216.66-19,762.68

Finding the Fourth Proportional to 64,137.24, 96,216.66 and 19,762.68

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Solution

The fourth proportional to 64,137.24, 96,216.66 and 19,762.68 is: 29,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.24 : 96,216.66 = 19,762.68 : x
  2. Step 2: Convert to fraction form
    64,137.24/96,216.66 = 19,762.68/x
  3. Step 3: Cross multiply
    64,137.24x = 96,216.66 × 19,762.68
  4. Step 4: Simplify right side
    64,137.24x = 1,901,499,062.25
  5. Step 5: Solve for x
    x = 1,901,499,062.25/64,137.24
  6. Step 6: Final answer
    x = 29,647.35

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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.