Home / 38,913.21-58,388.04-19,181.00

Finding the Fourth Proportional to 38,913.21, 58,388.04 and 19,181.00

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Solution

The fourth proportional to 38,913.21, 58,388.04 and 19,181.00 is: 28,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.21 : 58,388.04 = 19,181.00 : x
  2. Step 2: Convert to fraction form
    38,913.21/58,388.04 = 19,181.00/x
  3. Step 3: Cross multiply
    38,913.21x = 58,388.04 × 19,181.00
  4. Step 4: Simplify right side
    38,913.21x = 1,119,941,141.21
  5. Step 5: Solve for x
    x = 1,119,941,141.21/38,913.21
  6. Step 6: Final answer
    x = 28,780.49

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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.