Home / 43,189.84-64,638.44-26,560.40

Finding the Fourth Proportional to 43,189.84, 64,638.44 and 26,560.40

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Solution

The fourth proportional to 43,189.84, 64,638.44 and 26,560.40 is: 39,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,189.84 : 64,638.44 = 26,560.40 : x
  2. Step 2: Convert to fraction form
    43,189.84/64,638.44 = 26,560.40/x
  3. Step 3: Cross multiply
    43,189.84x = 64,638.44 × 26,560.40
  4. Step 4: Simplify right side
    43,189.84x = 1,716,822,821.78
  5. Step 5: Solve for x
    x = 1,716,822,821.78/43,189.84
  6. Step 6: Final answer
    x = 39,750.62

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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.