Home / 43,360.77-65,039.67-18,384.75

Finding the Fourth Proportional to 43,360.77, 65,039.67 and 18,384.75

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Solution

The fourth proportional to 43,360.77, 65,039.67 and 18,384.75 is: 27,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.77 : 65,039.67 = 18,384.75 : x
  2. Step 2: Convert to fraction form
    43,360.77/65,039.67 = 18,384.75/x
  3. Step 3: Cross multiply
    43,360.77x = 65,039.67 × 18,384.75
  4. Step 4: Simplify right side
    43,360.77x = 1,195,738,073.03
  5. Step 5: Solve for x
    x = 1,195,738,073.03/43,360.77
  6. Step 6: Final answer
    x = 27,576.50

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1.5x scale

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.