Home / 53,381.44-73,673.70-30,719.96

Finding the Fourth Proportional to 53,381.44, 73,673.70 and 30,719.96

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Solution

The fourth proportional to 53,381.44, 73,673.70 and 30,719.96 is: 42,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.44 : 73,673.70 = 30,719.96 : x
  2. Step 2: Convert to fraction form
    53,381.44/73,673.70 = 30,719.96/x
  3. Step 3: Cross multiply
    53,381.44x = 73,673.70 × 30,719.96
  4. Step 4: Simplify right side
    53,381.44x = 2,263,253,117.05
  5. Step 5: Solve for x
    x = 2,263,253,117.05/53,381.44
  6. Step 6: Final answer
    x = 42,397.75

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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.