Home / 57,485.94-86,204.30-20,034.93

Finding the Fourth Proportional to 57,485.94, 86,204.30 and 20,034.93

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Solution

The fourth proportional to 57,485.94, 86,204.30 and 20,034.93 is: 30,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485.94 : 86,204.30 = 20,034.93 : x
  2. Step 2: Convert to fraction form
    57,485.94/86,204.30 = 20,034.93/x
  3. Step 3: Cross multiply
    57,485.94x = 86,204.30 × 20,034.93
  4. Step 4: Simplify right side
    57,485.94x = 1,727,097,116.20
  5. Step 5: Solve for x
    x = 1,727,097,116.20/57,485.94
  6. Step 6: Final answer
    x = 30,043.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.