Home / 57,227.88-78,970.50-31,735.56

Finding the Fourth Proportional to 57,227.88, 78,970.50 and 31,735.56

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Solution

The fourth proportional to 57,227.88, 78,970.50 and 31,735.56 is: 43,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,227.88 : 78,970.50 = 31,735.56 : x
  2. Step 2: Convert to fraction form
    57,227.88/78,970.50 = 31,735.56/x
  3. Step 3: Cross multiply
    57,227.88x = 78,970.50 × 31,735.56
  4. Step 4: Simplify right side
    57,227.88x = 2,506,173,040.98
  5. Step 5: Solve for x
    x = 2,506,173,040.98/57,227.88
  6. Step 6: Final answer
    x = 43,792.87

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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.