Home / 64,629.36-96,944.04-20,256.35

Finding the Fourth Proportional to 64,629.36, 96,944.04 and 20,256.35

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Solution

The fourth proportional to 64,629.36, 96,944.04 and 20,256.35 is: 30,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,629.36 : 96,944.04 = 20,256.35 : x
  2. Step 2: Convert to fraction form
    64,629.36/96,944.04 = 20,256.35/x
  3. Step 3: Cross multiply
    64,629.36x = 96,944.04 × 20,256.35
  4. Step 4: Simplify right side
    64,629.36x = 1,963,731,919.93
  5. Step 5: Solve for x
    x = 1,963,731,919.93/64,629.36
  6. Step 6: Final answer
    x = 30,384.52

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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.