Home / 55,315.04-76,333.92-30,164

Finding the Fourth Proportional to 55,315.04, 76,333.92 and 30,164

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Solution

The fourth proportional to 55,315.04, 76,333.92 and 30,164 is: 41,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.04 : 76,333.92 = 30,164 : x
  2. Step 2: Convert to fraction form
    55,315.04/76,333.92 = 30,164/x
  3. Step 3: Cross multiply
    55,315.04x = 76,333.92 × 30,164
  4. Step 4: Simplify right side
    55,315.04x = 2,302,536,362.88
  5. Step 5: Solve for x
    x = 2,302,536,362.88/55,315.04
  6. Step 6: Final answer
    x = 41,625.86

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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.