Home / 30,429.54-41,985.09-17,851.86

Finding the Fourth Proportional to 30,429.54, 41,985.09 and 17,851.86

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Solution

The fourth proportional to 30,429.54, 41,985.09 and 17,851.86 is: 24,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.54 : 41,985.09 = 17,851.86 : x
  2. Step 2: Convert to fraction form
    30,429.54/41,985.09 = 17,851.86/x
  3. Step 3: Cross multiply
    30,429.54x = 41,985.09 × 17,851.86
  4. Step 4: Simplify right side
    30,429.54x = 749,511,948.77
  5. Step 5: Solve for x
    x = 749,511,948.77/30,429.54
  6. Step 6: Final answer
    x = 24,631.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.