Home / 43,188.22-64,636-26,558.78

Finding the Fourth Proportional to 43,188.22, 64,636 and 26,558.78

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Solution

The fourth proportional to 43,188.22, 64,636 and 26,558.78 is: 39,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.22 : 64,636 = 26,558.78 : x
  2. Step 2: Convert to fraction form
    43,188.22/64,636 = 26,558.78/x
  3. Step 3: Cross multiply
    43,188.22x = 64,636 × 26,558.78
  4. Step 4: Simplify right side
    43,188.22x = 1,716,653,304.08
  5. Step 5: Solve for x
    x = 1,716,653,304.08/43,188.22
  6. Step 6: Final answer
    x = 39,748.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.