Home / 57,280.46-79,047.53-31,788.55

Finding the Fourth Proportional to 57,280.46, 79,047.53 and 31,788.55

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Solution

The fourth proportional to 57,280.46, 79,047.53 and 31,788.55 is: 43,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.46 : 79,047.53 = 31,788.55 : x
  2. Step 2: Convert to fraction form
    57,280.46/79,047.53 = 31,788.55/x
  3. Step 3: Cross multiply
    57,280.46x = 79,047.53 × 31,788.55
  4. Step 4: Simplify right side
    57,280.46x = 2,512,805,805.60
  5. Step 5: Solve for x
    x = 2,512,805,805.60/57,280.46
  6. Step 6: Final answer
    x = 43,868.46

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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.