Home / 64,485.30-88,988.97-36,190.38

Finding the Fourth Proportional to 64,485.30, 88,988.97 and 36,190.38

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Solution

The fourth proportional to 64,485.30, 88,988.97 and 36,190.38 is: 49,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.30 : 88,988.97 = 36,190.38 : x
  2. Step 2: Convert to fraction form
    64,485.30/88,988.97 = 36,190.38/x
  3. Step 3: Cross multiply
    64,485.30x = 88,988.97 × 36,190.38
  4. Step 4: Simplify right side
    64,485.30x = 3,220,544,640.11
  5. Step 5: Solve for x
    x = 3,220,544,640.11/64,485.30
  6. Step 6: Final answer
    x = 49,942.31

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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.