Home / 62,440.89-86,142.29-40,935.79

Finding the Fourth Proportional to 62,440.89, 86,142.29 and 40,935.79

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Solution

The fourth proportional to 62,440.89, 86,142.29 and 40,935.79 is: 56,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,440.89 : 86,142.29 = 40,935.79 : x
  2. Step 2: Convert to fraction form
    62,440.89/86,142.29 = 40,935.79/x
  3. Step 3: Cross multiply
    62,440.89x = 86,142.29 × 40,935.79
  4. Step 4: Simplify right side
    62,440.89x = 3,526,302,693.56
  5. Step 5: Solve for x
    x = 3,526,302,693.56/62,440.89
  6. Step 6: Final answer
    x = 56,474.25

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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.