Home / 39,758.93-59,648.16-19,777.85

Finding the Fourth Proportional to 39,758.93, 59,648.16 and 19,777.85

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Solution

The fourth proportional to 39,758.93, 59,648.16 and 19,777.85 is: 29,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.93 : 59,648.16 = 19,777.85 : x
  2. Step 2: Convert to fraction form
    39,758.93/59,648.16 = 19,777.85/x
  3. Step 3: Cross multiply
    39,758.93x = 59,648.16 × 19,777.85
  4. Step 4: Simplify right side
    39,758.93x = 1,179,712,361.26
  5. Step 5: Solve for x
    x = 1,179,712,361.26/39,758.93
  6. Step 6: Final answer
    x = 29,671.63

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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.