Home / 38,468.90-57,714.15-18,748.10

Finding the Fourth Proportional to 38,468.90, 57,714.15 and 18,748.10

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Solution

The fourth proportional to 38,468.90, 57,714.15 and 18,748.10 is: 28,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.90 : 57,714.15 = 18,748.10 : x
  2. Step 2: Convert to fraction form
    38,468.90/57,714.15 = 18,748.10/x
  3. Step 3: Cross multiply
    38,468.90x = 57,714.15 × 18,748.10
  4. Step 4: Simplify right side
    38,468.90x = 1,082,030,655.62
  5. Step 5: Solve for x
    x = 1,082,030,655.62/38,468.90
  6. Step 6: Final answer
    x = 28,127.41

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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.