Home / 64,320.24-96,542.64-31,063.68

Finding the Fourth Proportional to 64,320.24, 96,542.64 and 31,063.68

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Solution

The fourth proportional to 64,320.24, 96,542.64 and 31,063.68 is: 46,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,320.24 : 96,542.64 = 31,063.68 : x
  2. Step 2: Convert to fraction form
    64,320.24/96,542.64 = 31,063.68/x
  3. Step 3: Cross multiply
    64,320.24x = 96,542.64 × 31,063.68
  4. Step 4: Simplify right side
    64,320.24x = 2,998,969,675.32
  5. Step 5: Solve for x
    x = 2,998,969,675.32/64,320.24
  6. Step 6: Final answer
    x = 46,625.60

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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.