Home / 64,185.12-88,579.55-35,890.80

Finding the Fourth Proportional to 64,185.12, 88,579.55 and 35,890.80

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Solution

The fourth proportional to 64,185.12, 88,579.55 and 35,890.80 is: 49,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,185.12 : 88,579.55 = 35,890.80 : x
  2. Step 2: Convert to fraction form
    64,185.12/88,579.55 = 35,890.80/x
  3. Step 3: Cross multiply
    64,185.12x = 88,579.55 × 35,890.80
  4. Step 4: Simplify right side
    64,185.12x = 3,179,190,913.14
  5. Step 5: Solve for x
    x = 3,179,190,913.14/64,185.12
  6. Step 6: Final answer
    x = 49,531.59

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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.