Home / 56,684.55-78,224.76-31,534.05

Finding the Fourth Proportional to 56,684.55, 78,224.76 and 31,534.05

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Solution

The fourth proportional to 56,684.55, 78,224.76 and 31,534.05 is: 43,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684.55 : 78,224.76 = 31,534.05 : x
  2. Step 2: Convert to fraction form
    56,684.55/78,224.76 = 31,534.05/x
  3. Step 3: Cross multiply
    56,684.55x = 78,224.76 × 31,534.05
  4. Step 4: Simplify right side
    56,684.55x = 2,466,743,493.08
  5. Step 5: Solve for x
    x = 2,466,743,493.08/56,684.55
  6. Step 6: Final answer
    x = 43,517.03

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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.