Home / 64,138.24-96,218.16-19,763.68

Finding the Fourth Proportional to 64,138.24, 96,218.16 and 19,763.68

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Solution

The fourth proportional to 64,138.24, 96,218.16 and 19,763.68 is: 29,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.24 : 96,218.16 = 19,763.68 : x
  2. Step 2: Convert to fraction form
    64,138.24/96,218.16 = 19,763.68/x
  3. Step 3: Cross multiply
    64,138.24x = 96,218.16 × 19,763.68
  4. Step 4: Simplify right side
    64,138.24x = 1,901,624,924.43
  5. Step 5: Solve for x
    x = 1,901,624,924.43/64,138.24
  6. Step 6: Final answer
    x = 29,648.85

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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.