Home / 57,188.23-78,917.61-31,693.93

Finding the Fourth Proportional to 57,188.23, 78,917.61 and 31,693.93

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Solution

The fourth proportional to 57,188.23, 78,917.61 and 31,693.93 is: 43,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.23 : 78,917.61 = 31,693.93 : x
  2. Step 2: Convert to fraction form
    57,188.23/78,917.61 = 31,693.93/x
  3. Step 3: Cross multiply
    57,188.23x = 78,917.61 × 31,693.93
  4. Step 4: Simplify right side
    57,188.23x = 2,501,209,207.11
  5. Step 5: Solve for x
    x = 2,501,209,207.11/57,188.23
  6. Step 6: Final answer
    x = 43,736.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.