Home / 53,358.19-79,960.37-40,653.39

Finding the Fourth Proportional to 53,358.19, 79,960.37 and 40,653.39

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Solution

The fourth proportional to 53,358.19, 79,960.37 and 40,653.39 is: 60,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,358.19 : 79,960.37 = 40,653.39 : x
  2. Step 2: Convert to fraction form
    53,358.19/79,960.37 = 40,653.39/x
  3. Step 3: Cross multiply
    53,358.19x = 79,960.37 × 40,653.39
  4. Step 4: Simplify right side
    53,358.19x = 3,250,660,202.74
  5. Step 5: Solve for x
    x = 3,250,660,202.74/53,358.19
  6. Step 6: Final answer
    x = 60,921.48

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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.