Home / 38,993.09-58,493.73-12,699.88

Finding the Fourth Proportional to 38,993.09, 58,493.73 and 12,699.88

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Solution

The fourth proportional to 38,993.09, 58,493.73 and 12,699.88 is: 19,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.09 : 58,493.73 = 12,699.88 : x
  2. Step 2: Convert to fraction form
    38,993.09/58,493.73 = 12,699.88/x
  3. Step 3: Cross multiply
    38,993.09x = 58,493.73 × 12,699.88
  4. Step 4: Simplify right side
    38,993.09x = 742,862,995.78
  5. Step 5: Solve for x
    x = 742,862,995.78/38,993.09
  6. Step 6: Final answer
    x = 19,051.15

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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.