Home / 45,331.26-68,004.16-19,043.52

Finding the Fourth Proportional to 45,331.26, 68,004.16 and 19,043.52

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Solution

The fourth proportional to 45,331.26, 68,004.16 and 19,043.52 is: 28,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.26 : 68,004.16 = 19,043.52 : x
  2. Step 2: Convert to fraction form
    45,331.26/68,004.16 = 19,043.52/x
  3. Step 3: Cross multiply
    45,331.26x = 68,004.16 × 19,043.52
  4. Step 4: Simplify right side
    45,331.26x = 1,295,038,581.04
  5. Step 5: Solve for x
    x = 1,295,038,581.04/45,331.26
  6. Step 6: Final answer
    x = 28,568.33

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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.