Home / 51,025.26-76,542.21-13,585.32

Finding the Fourth Proportional to 51,025.26, 76,542.21 and 13,585.32

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Solution

The fourth proportional to 51,025.26, 76,542.21 and 13,585.32 is: 20,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.26 : 76,542.21 = 13,585.32 : x
  2. Step 2: Convert to fraction form
    51,025.26/76,542.21 = 13,585.32/x
  3. Step 3: Cross multiply
    51,025.26x = 76,542.21 × 13,585.32
  4. Step 4: Simplify right side
    51,025.26x = 1,039,850,416.36
  5. Step 5: Solve for x
    x = 1,039,850,416.36/51,025.26
  6. Step 6: Final answer
    x = 20,379.13

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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.