Home / 55,653.69-76,813.68-51,170.34

Finding the Fourth Proportional to 55,653.69, 76,813.68 and 51,170.34

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Solution

The fourth proportional to 55,653.69, 76,813.68 and 51,170.34 is: 70,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.69 : 76,813.68 = 51,170.34 : x
  2. Step 2: Convert to fraction form
    55,653.69/76,813.68 = 51,170.34/x
  3. Step 3: Cross multiply
    55,653.69x = 76,813.68 × 51,170.34
  4. Step 4: Simplify right side
    55,653.69x = 3,930,582,122.25
  5. Step 5: Solve for x
    x = 3,930,582,122.25/55,653.69
  6. Step 6: Final answer
    x = 70,625.72

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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.