Home / 49,955.52-68,916.96-30,072

Finding the Fourth Proportional to 49,955.52, 68,916.96 and 30,072

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Solution

The fourth proportional to 49,955.52, 68,916.96 and 30,072 is: 41,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.52 : 68,916.96 = 30,072 : x
  2. Step 2: Convert to fraction form
    49,955.52/68,916.96 = 30,072/x
  3. Step 3: Cross multiply
    49,955.52x = 68,916.96 × 30,072
  4. Step 4: Simplify right side
    49,955.52x = 2,072,470,821.12
  5. Step 5: Solve for x
    x = 2,072,470,821.12/49,955.52
  6. Step 6: Final answer
    x = 41,486.32

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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.