Home / 64,881.21-89,536.08-36,586.89

Finding the Fourth Proportional to 64,881.21, 89,536.08 and 36,586.89

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Solution

The fourth proportional to 64,881.21, 89,536.08 and 36,586.89 is: 50,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.21 : 89,536.08 = 36,586.89 : x
  2. Step 2: Convert to fraction form
    64,881.21/89,536.08 = 36,586.89/x
  3. Step 3: Cross multiply
    64,881.21x = 89,536.08 × 36,586.89
  4. Step 4: Simplify right side
    64,881.21x = 3,275,846,709.99
  5. Step 5: Solve for x
    x = 3,275,846,709.99/64,881.21
  6. Step 6: Final answer
    x = 50,489.91

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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.