Home / 54,243.95-74,856.76-30,371.63

Finding the Fourth Proportional to 54,243.95, 74,856.76 and 30,371.63

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Solution

The fourth proportional to 54,243.95, 74,856.76 and 30,371.63 is: 41,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.95 : 74,856.76 = 30,371.63 : x
  2. Step 2: Convert to fraction form
    54,243.95/74,856.76 = 30,371.63/x
  3. Step 3: Cross multiply
    54,243.95x = 74,856.76 × 30,371.63
  4. Step 4: Simplify right side
    54,243.95x = 2,273,521,367.51
  5. Step 5: Solve for x
    x = 2,273,521,367.51/54,243.95
  6. Step 6: Final answer
    x = 41,912.91

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1.5x scale

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.