Home / 57,253.48-85,904.94-30,976.72

Finding the Fourth Proportional to 57,253.48, 85,904.94 and 30,976.72

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Solution

The fourth proportional to 57,253.48, 85,904.94 and 30,976.72 is: 46,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.48 : 85,904.94 = 30,976.72 : x
  2. Step 2: Convert to fraction form
    57,253.48/85,904.94 = 30,976.72/x
  3. Step 3: Cross multiply
    57,253.48x = 85,904.94 × 30,976.72
  4. Step 4: Simplify right side
    57,253.48x = 2,661,053,273.00
  5. Step 5: Solve for x
    x = 2,661,053,273.00/57,253.48
  6. Step 6: Final answer
    x = 46,478.45

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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.