Home / 43,188.21-64,636.01-26,558.78

Finding the Fourth Proportional to 43,188.21, 64,636.01 and 26,558.78

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Solution

The fourth proportional to 43,188.21, 64,636.01 and 26,558.78 is: 39,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.21 : 64,636.01 = 26,558.78 : x
  2. Step 2: Convert to fraction form
    43,188.21/64,636.01 = 26,558.78/x
  3. Step 3: Cross multiply
    43,188.21x = 64,636.01 × 26,558.78
  4. Step 4: Simplify right side
    43,188.21x = 1,716,653,569.67
  5. Step 5: Solve for x
    x = 1,716,653,569.67/43,188.21
  6. Step 6: Final answer
    x = 39,748.20

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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.