Home / 38,635.30-57,931.66-11,973.90

Finding the Fourth Proportional to 38,635.30, 57,931.66 and 11,973.90

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Solution

The fourth proportional to 38,635.30, 57,931.66 and 11,973.90 is: 17,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,635.30 : 57,931.66 = 11,973.90 : x
  2. Step 2: Convert to fraction form
    38,635.30/57,931.66 = 11,973.90/x
  3. Step 3: Cross multiply
    38,635.30x = 57,931.66 × 11,973.90
  4. Step 4: Simplify right side
    38,635.30x = 693,668,006.63
  5. Step 5: Solve for x
    x = 693,668,006.63/38,635.30
  6. Step 6: Final answer
    x = 17,954.25

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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.