Home / 30,989.26-46,421.51-14,326.34

Finding the Fourth Proportional to 30,989.26, 46,421.51 and 14,326.34

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Solution

The fourth proportional to 30,989.26, 46,421.51 and 14,326.34 is: 21,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.26 : 46,421.51 = 14,326.34 : x
  2. Step 2: Convert to fraction form
    30,989.26/46,421.51 = 14,326.34/x
  3. Step 3: Cross multiply
    30,989.26x = 46,421.51 × 14,326.34
  4. Step 4: Simplify right side
    30,989.26x = 665,050,487.44
  5. Step 5: Solve for x
    x = 665,050,487.44/30,989.26
  6. Step 6: Final answer
    x = 21,460.68

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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.