Home / 57,055.84-78,735.59-31,561.54

Finding the Fourth Proportional to 57,055.84, 78,735.59 and 31,561.54

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Solution

The fourth proportional to 57,055.84, 78,735.59 and 31,561.54 is: 43,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.84 : 78,735.59 = 31,561.54 : x
  2. Step 2: Convert to fraction form
    57,055.84/78,735.59 = 31,561.54/x
  3. Step 3: Cross multiply
    57,055.84x = 78,735.59 × 31,561.54
  4. Step 4: Simplify right side
    57,055.84x = 2,485,016,315.40
  5. Step 5: Solve for x
    x = 2,485,016,315.40/57,055.84
  6. Step 6: Final answer
    x = 43,554.11

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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.