Home / 38,272.49-57,400.53-11,973.81

Finding the Fourth Proportional to 38,272.49, 57,400.53 and 11,973.81

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Solution

The fourth proportional to 38,272.49, 57,400.53 and 11,973.81 is: 17,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.49 : 57,400.53 = 11,973.81 : x
  2. Step 2: Convert to fraction form
    38,272.49/57,400.53 = 11,973.81/x
  3. Step 3: Cross multiply
    38,272.49x = 57,400.53 × 11,973.81
  4. Step 4: Simplify right side
    38,272.49x = 687,303,040.12
  5. Step 5: Solve for x
    x = 687,303,040.12/38,272.49
  6. Step 6: Final answer
    x = 17,958.15

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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.