Home / 41,054.13-61,589.52-12,978.57

Finding the Fourth Proportional to 41,054.13, 61,589.52 and 12,978.57

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Solution

The fourth proportional to 41,054.13, 61,589.52 and 12,978.57 is: 19,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,054.13 : 61,589.52 = 12,978.57 : x
  2. Step 2: Convert to fraction form
    41,054.13/61,589.52 = 12,978.57/x
  3. Step 3: Cross multiply
    41,054.13x = 61,589.52 × 12,978.57
  4. Step 4: Simplify right side
    41,054.13x = 799,343,896.59
  5. Step 5: Solve for x
    x = 799,343,896.59/41,054.13
  6. Step 6: Final answer
    x = 19,470.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.