Home / 55,914.84-77,162.94-30,421.26

Finding the Fourth Proportional to 55,914.84, 77,162.94 and 30,421.26

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Solution

The fourth proportional to 55,914.84, 77,162.94 and 30,421.26 is: 41,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.84 : 77,162.94 = 30,421.26 : x
  2. Step 2: Convert to fraction form
    55,914.84/77,162.94 = 30,421.26/x
  3. Step 3: Cross multiply
    55,914.84x = 77,162.94 × 30,421.26
  4. Step 4: Simplify right side
    55,914.84x = 2,347,393,860.10
  5. Step 5: Solve for x
    x = 2,347,393,860.10/55,914.84
  6. Step 6: Final answer
    x = 41,981.59

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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.