Home / 57,137.28-78,840.06-35,901.50

Finding the Fourth Proportional to 57,137.28, 78,840.06 and 35,901.50

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Solution

The fourth proportional to 57,137.28, 78,840.06 and 35,901.50 is: 49,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.28 : 78,840.06 = 35,901.50 : x
  2. Step 2: Convert to fraction form
    57,137.28/78,840.06 = 35,901.50/x
  3. Step 3: Cross multiply
    57,137.28x = 78,840.06 × 35,901.50
  4. Step 4: Simplify right side
    57,137.28x = 2,830,476,414.09
  5. Step 5: Solve for x
    x = 2,830,476,414.09/57,137.28
  6. Step 6: Final answer
    x = 49,538.17

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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.