Home / 53,896.20-74,374.94-30,021.72

Finding the Fourth Proportional to 53,896.20, 74,374.94 and 30,021.72

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Solution

The fourth proportional to 53,896.20, 74,374.94 and 30,021.72 is: 41,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.20 : 74,374.94 = 30,021.72 : x
  2. Step 2: Convert to fraction form
    53,896.20/74,374.94 = 30,021.72/x
  3. Step 3: Cross multiply
    53,896.20x = 74,374.94 × 30,021.72
  4. Step 4: Simplify right side
    53,896.20x = 2,232,863,623.70
  5. Step 5: Solve for x
    x = 2,232,863,623.70/53,896.20
  6. Step 6: Final answer
    x = 41,428.96

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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.