Home / 39,860.51-59,772.84-11,770.77

Finding the Fourth Proportional to 39,860.51, 59,772.84 and 11,770.77

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Solution

The fourth proportional to 39,860.51, 59,772.84 and 11,770.77 is: 17,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860.51 : 59,772.84 = 11,770.77 : x
  2. Step 2: Convert to fraction form
    39,860.51/59,772.84 = 11,770.77/x
  3. Step 3: Cross multiply
    39,860.51x = 59,772.84 × 11,770.77
  4. Step 4: Simplify right side
    39,860.51x = 703,572,195.67
  5. Step 5: Solve for x
    x = 703,572,195.67/39,860.51
  6. Step 6: Final answer
    x = 17,650.86

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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.