Home / 56,905.56-78,485.26-36,489.57

Finding the Fourth Proportional to 56,905.56, 78,485.26 and 36,489.57

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Solution

The fourth proportional to 56,905.56, 78,485.26 and 36,489.57 is: 50,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905.56 : 78,485.26 = 36,489.57 : x
  2. Step 2: Convert to fraction form
    56,905.56/78,485.26 = 36,489.57/x
  3. Step 3: Cross multiply
    56,905.56x = 78,485.26 × 36,489.57
  4. Step 4: Simplify right side
    56,905.56x = 2,863,893,388.74
  5. Step 5: Solve for x
    x = 2,863,893,388.74/56,905.56
  6. Step 6: Final answer
    x = 50,327.13

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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.