Home / 43,229.72-64,828.97-18,271.70

Finding the Fourth Proportional to 43,229.72, 64,828.97 and 18,271.70

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Solution

The fourth proportional to 43,229.72, 64,828.97 and 18,271.70 is: 27,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229.72 : 64,828.97 = 18,271.70 : x
  2. Step 2: Convert to fraction form
    43,229.72/64,828.97 = 18,271.70/x
  3. Step 3: Cross multiply
    43,229.72x = 64,828.97 × 18,271.70
  4. Step 4: Simplify right side
    43,229.72x = 1,184,535,075.65
  5. Step 5: Solve for x
    x = 1,184,535,075.65/43,229.72
  6. Step 6: Final answer
    x = 27,400.95

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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.