Home / 55,141.76-76,094.04-31,270.64

Finding the Fourth Proportional to 55,141.76, 76,094.04 and 31,270.64

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Solution

The fourth proportional to 55,141.76, 76,094.04 and 31,270.64 is: 43,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.76 : 76,094.04 = 31,270.64 : x
  2. Step 2: Convert to fraction form
    55,141.76/76,094.04 = 31,270.64/x
  3. Step 3: Cross multiply
    55,141.76x = 76,094.04 × 31,270.64
  4. Step 4: Simplify right side
    55,141.76x = 2,379,509,330.99
  5. Step 5: Solve for x
    x = 2,379,509,330.99/55,141.76
  6. Step 6: Final answer
    x = 43,152.58

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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.