Home / 30,897.13-46,370.32-12,181.88

Finding the Fourth Proportional to 30,897.13, 46,370.32 and 12,181.88

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Solution

The fourth proportional to 30,897.13, 46,370.32 and 12,181.88 is: 18,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.13 : 46,370.32 = 12,181.88 : x
  2. Step 2: Convert to fraction form
    30,897.13/46,370.32 = 12,181.88/x
  3. Step 3: Cross multiply
    30,897.13x = 46,370.32 × 12,181.88
  4. Step 4: Simplify right side
    30,897.13x = 564,877,673.80
  5. Step 5: Solve for x
    x = 564,877,673.80/30,897.13
  6. Step 6: Final answer
    x = 18,282.53

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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.