Home / 40,345.26-60,388.48-21,578.37

Finding the Fourth Proportional to 40,345.26, 60,388.48 and 21,578.37

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Solution

The fourth proportional to 40,345.26, 60,388.48 and 21,578.37 is: 32,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.26 : 60,388.48 = 21,578.37 : x
  2. Step 2: Convert to fraction form
    40,345.26/60,388.48 = 21,578.37/x
  3. Step 3: Cross multiply
    40,345.26x = 60,388.48 × 21,578.37
  4. Step 4: Simplify right side
    40,345.26x = 1,303,084,965.18
  5. Step 5: Solve for x
    x = 1,303,084,965.18/40,345.26
  6. Step 6: Final answer
    x = 32,298.34

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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.