Home / 45,588.72-68,390.44-19,293.76

Finding the Fourth Proportional to 45,588.72, 68,390.44 and 19,293.76

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Solution

The fourth proportional to 45,588.72, 68,390.44 and 19,293.76 is: 28,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.72 : 68,390.44 = 19,293.76 : x
  2. Step 2: Convert to fraction form
    45,588.72/68,390.44 = 19,293.76/x
  3. Step 3: Cross multiply
    45,588.72x = 68,390.44 × 19,293.76
  4. Step 4: Simplify right side
    45,588.72x = 1,319,508,735.65
  5. Step 5: Solve for x
    x = 1,319,508,735.65/45,588.72
  6. Step 6: Final answer
    x = 28,943.75

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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.