Home / 69,698.78-96,189.07-39,484.35

Finding the Fourth Proportional to 69,698.78, 96,189.07 and 39,484.35

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Solution

The fourth proportional to 69,698.78, 96,189.07 and 39,484.35 is: 54,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,698.78 : 96,189.07 = 39,484.35 : x
  2. Step 2: Convert to fraction form
    69,698.78/96,189.07 = 39,484.35/x
  3. Step 3: Cross multiply
    69,698.78x = 96,189.07 × 39,484.35
  4. Step 4: Simplify right side
    69,698.78x = 3,797,962,906.05
  5. Step 5: Solve for x
    x = 3,797,962,906.05/69,698.78
  6. Step 6: Final answer
    x = 54,491.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.