Home / 55,784.37-83,679.24-18,343.61

Finding the Fourth Proportional to 55,784.37, 83,679.24 and 18,343.61

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Solution

The fourth proportional to 55,784.37, 83,679.24 and 18,343.61 is: 27,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.37 : 83,679.24 = 18,343.61 : x
  2. Step 2: Convert to fraction form
    55,784.37/83,679.24 = 18,343.61/x
  3. Step 3: Cross multiply
    55,784.37x = 83,679.24 × 18,343.61
  4. Step 4: Simplify right side
    55,784.37x = 1,534,979,088.60
  5. Step 5: Solve for x
    x = 1,534,979,088.60/55,784.37
  6. Step 6: Final answer
    x = 27,516.30

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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.