Home / 53,119.12-73,295.76-30,453.94

Finding the Fourth Proportional to 53,119.12, 73,295.76 and 30,453.94

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Solution

The fourth proportional to 53,119.12, 73,295.76 and 30,453.94 is: 42,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.12 : 73,295.76 = 30,453.94 : x
  2. Step 2: Convert to fraction form
    53,119.12/73,295.76 = 30,453.94/x
  3. Step 3: Cross multiply
    53,119.12x = 73,295.76 × 30,453.94
  4. Step 4: Simplify right side
    53,119.12x = 2,232,144,677.29
  5. Step 5: Solve for x
    x = 2,232,144,677.29/53,119.12
  6. Step 6: Final answer
    x = 42,021.49

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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.