Home / 30,113.72-44,955.74-28,112.61

Finding the Fourth Proportional to 30,113.72, 44,955.74 and 28,112.61

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Solution

The fourth proportional to 30,113.72, 44,955.74 and 28,112.61 is: 41,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.72 : 44,955.74 = 28,112.61 : x
  2. Step 2: Convert to fraction form
    30,113.72/44,955.74 = 28,112.61/x
  3. Step 3: Cross multiply
    30,113.72x = 44,955.74 × 28,112.61
  4. Step 4: Simplify right side
    30,113.72x = 1,263,823,185.88
  5. Step 5: Solve for x
    x = 1,263,823,185.88/30,113.72
  6. Step 6: Final answer
    x = 41,968.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.