Home / 57,134.28-78,835.92-35,898.50

Finding the Fourth Proportional to 57,134.28, 78,835.92 and 35,898.50

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Solution

The fourth proportional to 57,134.28, 78,835.92 and 35,898.50 is: 49,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,134.28 : 78,835.92 = 35,898.50 : x
  2. Step 2: Convert to fraction form
    57,134.28/78,835.92 = 35,898.50/x
  3. Step 3: Cross multiply
    57,134.28x = 78,835.92 × 35,898.50
  4. Step 4: Simplify right side
    57,134.28x = 2,830,091,274.12
  5. Step 5: Solve for x
    x = 2,830,091,274.12/57,134.28
  6. Step 6: Final answer
    x = 49,534.03

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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.