Home / 38,231.10-57,336.93-11,938.50

Finding the Fourth Proportional to 38,231.10, 57,336.93 and 11,938.50

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Solution

The fourth proportional to 38,231.10, 57,336.93 and 11,938.50 is: 17,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.10 : 57,336.93 = 11,938.50 : x
  2. Step 2: Convert to fraction form
    38,231.10/57,336.93 = 11,938.50/x
  3. Step 3: Cross multiply
    38,231.10x = 57,336.93 × 11,938.50
  4. Step 4: Simplify right side
    38,231.10x = 684,516,938.81
  5. Step 5: Solve for x
    x = 684,516,938.81/38,231.10
  6. Step 6: Final answer
    x = 17,904.71

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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.