Home / 38,630.70-57,952.58-11,970.59

Finding the Fourth Proportional to 38,630.70, 57,952.58 and 11,970.59

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Solution

The fourth proportional to 38,630.70, 57,952.58 and 11,970.59 is: 17,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.70 : 57,952.58 = 11,970.59 : x
  2. Step 2: Convert to fraction form
    38,630.70/57,952.58 = 11,970.59/x
  3. Step 3: Cross multiply
    38,630.70x = 57,952.58 × 11,970.59
  4. Step 4: Simplify right side
    38,630.70x = 693,726,225.01
  5. Step 5: Solve for x
    x = 693,726,225.01/38,630.70
  6. Step 6: Final answer
    x = 17,957.90

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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.