Home / 38,476.65-57,714.35-12,181.35

Finding the Fourth Proportional to 38,476.65, 57,714.35 and 12,181.35

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Solution

The fourth proportional to 38,476.65, 57,714.35 and 12,181.35 is: 18,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.65 : 57,714.35 = 12,181.35 : x
  2. Step 2: Convert to fraction form
    38,476.65/57,714.35 = 12,181.35/x
  3. Step 3: Cross multiply
    38,476.65x = 57,714.35 × 12,181.35
  4. Step 4: Simplify right side
    38,476.65x = 703,038,636.47
  5. Step 5: Solve for x
    x = 703,038,636.47/38,476.65
  6. Step 6: Final answer
    x = 18,271.83

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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.