Home / 55,751.28-76,936.73-31,551.80

Finding the Fourth Proportional to 55,751.28, 76,936.73 and 31,551.80

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Solution

The fourth proportional to 55,751.28, 76,936.73 and 31,551.80 is: 43,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.28 : 76,936.73 = 31,551.80 : x
  2. Step 2: Convert to fraction form
    55,751.28/76,936.73 = 31,551.80/x
  3. Step 3: Cross multiply
    55,751.28x = 76,936.73 × 31,551.80
  4. Step 4: Simplify right side
    55,751.28x = 2,427,492,588.84
  5. Step 5: Solve for x
    x = 2,427,492,588.84/55,751.28
  6. Step 6: Final answer
    x = 43,541.47

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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.