Home / 51,403.64-77,112.68-15,867.86

Finding the Fourth Proportional to 51,403.64, 77,112.68 and 15,867.86

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Solution

The fourth proportional to 51,403.64, 77,112.68 and 15,867.86 is: 23,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403.64 : 77,112.68 = 15,867.86 : x
  2. Step 2: Convert to fraction form
    51,403.64/77,112.68 = 15,867.86/x
  3. Step 3: Cross multiply
    51,403.64x = 77,112.68 × 15,867.86
  4. Step 4: Simplify right side
    51,403.64x = 1,223,612,745.56
  5. Step 5: Solve for x
    x = 1,223,612,745.56/51,403.64
  6. Step 6: Final answer
    x = 23,804.01

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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.