Home / 43,187.84-64,635.45-26,558.40

Finding the Fourth Proportional to 43,187.84, 64,635.45 and 26,558.40

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Solution

The fourth proportional to 43,187.84, 64,635.45 and 26,558.40 is: 39,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.84 : 64,635.45 = 26,558.40 : x
  2. Step 2: Convert to fraction form
    43,187.84/64,635.45 = 26,558.40/x
  3. Step 3: Cross multiply
    43,187.84x = 64,635.45 × 26,558.40
  4. Step 4: Simplify right side
    43,187.84x = 1,716,614,135.28
  5. Step 5: Solve for x
    x = 1,716,614,135.28/43,187.84
  6. Step 6: Final answer
    x = 39,747.63

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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.