Home / 57,260.98-79,017.36-31,768.36

Finding the Fourth Proportional to 57,260.98, 79,017.36 and 31,768.36

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Solution

The fourth proportional to 57,260.98, 79,017.36 and 31,768.36 is: 43,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,260.98 : 79,017.36 = 31,768.36 : x
  2. Step 2: Convert to fraction form
    57,260.98/79,017.36 = 31,768.36/x
  3. Step 3: Cross multiply
    57,260.98x = 79,017.36 × 31,768.36
  4. Step 4: Simplify right side
    57,260.98x = 2,510,251,938.73
  5. Step 5: Solve for x
    x = 2,510,251,938.73/57,260.98
  6. Step 6: Final answer
    x = 43,838.79

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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.