Home / 30,467.32-45,695.32-13,823.36

Finding the Fourth Proportional to 30,467.32, 45,695.32 and 13,823.36

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Solution

The fourth proportional to 30,467.32, 45,695.32 and 13,823.36 is: 20,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.32 : 45,695.32 = 13,823.36 : x
  2. Step 2: Convert to fraction form
    30,467.32/45,695.32 = 13,823.36/x
  3. Step 3: Cross multiply
    30,467.32x = 45,695.32 × 13,823.36
  4. Step 4: Simplify right side
    30,467.32x = 631,662,858.68
  5. Step 5: Solve for x
    x = 631,662,858.68/30,467.32
  6. Step 6: Final answer
    x = 20,732.47

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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.