Home / 55,515.04-76,611.36-30,364

Finding the Fourth Proportional to 55,515.04, 76,611.36 and 30,364

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Solution

The fourth proportional to 55,515.04, 76,611.36 and 30,364 is: 41,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,515.04 : 76,611.36 = 30,364 : x
  2. Step 2: Convert to fraction form
    55,515.04/76,611.36 = 30,364/x
  3. Step 3: Cross multiply
    55,515.04x = 76,611.36 × 30,364
  4. Step 4: Simplify right side
    55,515.04x = 2,326,227,335.04
  5. Step 5: Solve for x
    x = 2,326,227,335.04/55,515.04
  6. Step 6: Final answer
    x = 41,902.65

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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.