Home / 57,126.44-78,827.10-31,975.94

Finding the Fourth Proportional to 57,126.44, 78,827.10 and 31,975.94

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Solution

The fourth proportional to 57,126.44, 78,827.10 and 31,975.94 is: 44,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.44 : 78,827.10 = 31,975.94 : x
  2. Step 2: Convert to fraction form
    57,126.44/78,827.10 = 31,975.94/x
  3. Step 3: Cross multiply
    57,126.44x = 78,827.10 × 31,975.94
  4. Step 4: Simplify right side
    57,126.44x = 2,520,570,619.97
  5. Step 5: Solve for x
    x = 2,520,570,619.97/57,126.44
  6. Step 6: Final answer
    x = 44,122.66

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1.5x scale

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.