Home / 30,152.31-45,167.97-14,372.61

Finding the Fourth Proportional to 30,152.31, 45,167.97 and 14,372.61

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Solution

The fourth proportional to 30,152.31, 45,167.97 and 14,372.61 is: 21,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.31 : 45,167.97 = 14,372.61 : x
  2. Step 2: Convert to fraction form
    30,152.31/45,167.97 = 14,372.61/x
  3. Step 3: Cross multiply
    30,152.31x = 45,167.97 × 14,372.61
  4. Step 4: Simplify right side
    30,152.31x = 649,181,617.30
  5. Step 5: Solve for x
    x = 649,181,617.30/30,152.31
  6. Step 6: Final answer
    x = 21,530.08

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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.