Home / 64,835.55-89,469.61-36,158.16

Finding the Fourth Proportional to 64,835.55, 89,469.61 and 36,158.16

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Solution

The fourth proportional to 64,835.55, 89,469.61 and 36,158.16 is: 49,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,835.55 : 89,469.61 = 36,158.16 : x
  2. Step 2: Convert to fraction form
    64,835.55/89,469.61 = 36,158.16/x
  3. Step 3: Cross multiply
    64,835.55x = 89,469.61 × 36,158.16
  4. Step 4: Simplify right side
    64,835.55x = 3,235,055,845.38
  5. Step 5: Solve for x
    x = 3,235,055,845.38/64,835.55
  6. Step 6: Final answer
    x = 49,896.33

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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.