Home / 39,686.44-59,530.88-19,965.76

Finding the Fourth Proportional to 39,686.44, 59,530.88 and 19,965.76

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Solution

The fourth proportional to 39,686.44, 59,530.88 and 19,965.76 is: 29,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.44 : 59,530.88 = 19,965.76 : x
  2. Step 2: Convert to fraction form
    39,686.44/59,530.88 = 19,965.76/x
  3. Step 3: Cross multiply
    39,686.44x = 59,530.88 × 19,965.76
  4. Step 4: Simplify right side
    39,686.44x = 1,188,579,262.67
  5. Step 5: Solve for x
    x = 1,188,579,262.67/39,686.44
  6. Step 6: Final answer
    x = 29,949.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.