Home / 55,881.50-83,814.04-18,442.79

Finding the Fourth Proportional to 55,881.50, 83,814.04 and 18,442.79

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Solution

The fourth proportional to 55,881.50, 83,814.04 and 18,442.79 is: 27,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,881.50 : 83,814.04 = 18,442.79 : x
  2. Step 2: Convert to fraction form
    55,881.50/83,814.04 = 18,442.79/x
  3. Step 3: Cross multiply
    55,881.50x = 83,814.04 × 18,442.79
  4. Step 4: Simplify right side
    55,881.50x = 1,545,764,657.06
  5. Step 5: Solve for x
    x = 1,545,764,657.06/55,881.50
  6. Step 6: Final answer
    x = 27,661.48

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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.