Home / 53,063.88-73,229.70-30,405

Finding the Fourth Proportional to 53,063.88, 73,229.70 and 30,405

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Solution

The fourth proportional to 53,063.88, 73,229.70 and 30,405 is: 41,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,063.88 : 73,229.70 = 30,405 : x
  2. Step 2: Convert to fraction form
    53,063.88/73,229.70 = 30,405/x
  3. Step 3: Cross multiply
    53,063.88x = 73,229.70 × 30,405
  4. Step 4: Simplify right side
    53,063.88x = 2,226,549,028.50
  5. Step 5: Solve for x
    x = 2,226,549,028.50/53,063.88
  6. Step 6: Final answer
    x = 41,959.79

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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.