Home / 53,936.78-74,438.01-40,301.15

Finding the Fourth Proportional to 53,936.78, 74,438.01 and 40,301.15

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Solution

The fourth proportional to 53,936.78, 74,438.01 and 40,301.15 is: 55,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,936.78 : 74,438.01 = 40,301.15 : x
  2. Step 2: Convert to fraction form
    53,936.78/74,438.01 = 40,301.15/x
  3. Step 3: Cross multiply
    53,936.78x = 74,438.01 × 40,301.15
  4. Step 4: Simplify right side
    53,936.78x = 2,999,937,034.52
  5. Step 5: Solve for x
    x = 2,999,937,034.52/53,936.78
  6. Step 6: Final answer
    x = 55,619.51

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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.