Home / 62,918.78-86,788.36-41,409.63

Finding the Fourth Proportional to 62,918.78, 86,788.36 and 41,409.63

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Solution

The fourth proportional to 62,918.78, 86,788.36 and 41,409.63 is: 57,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,918.78 : 86,788.36 = 41,409.63 : x
  2. Step 2: Convert to fraction form
    62,918.78/86,788.36 = 41,409.63/x
  3. Step 3: Cross multiply
    62,918.78x = 86,788.36 × 41,409.63
  4. Step 4: Simplify right side
    62,918.78x = 3,593,873,927.67
  5. Step 5: Solve for x
    x = 3,593,873,927.67/62,918.78
  6. Step 6: Final answer
    x = 57,119.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.