Home / 43,424.14-65,144.01-15,360.46

Finding the Fourth Proportional to 43,424.14, 65,144.01 and 15,360.46

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Solution

The fourth proportional to 43,424.14, 65,144.01 and 15,360.46 is: 23,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,424.14 : 65,144.01 = 15,360.46 : x
  2. Step 2: Convert to fraction form
    43,424.14/65,144.01 = 15,360.46/x
  3. Step 3: Cross multiply
    43,424.14x = 65,144.01 × 15,360.46
  4. Step 4: Simplify right side
    43,424.14x = 1,000,641,959.84
  5. Step 5: Solve for x
    x = 1,000,641,959.84/43,424.14
  6. Step 6: Final answer
    x = 23,043.45

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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.