Home / 39,089.16-58,611.87-12,786.84

Finding the Fourth Proportional to 39,089.16, 58,611.87 and 12,786.84

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Solution

The fourth proportional to 39,089.16, 58,611.87 and 12,786.84 is: 19,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.16 : 58,611.87 = 12,786.84 : x
  2. Step 2: Convert to fraction form
    39,089.16/58,611.87 = 12,786.84/x
  3. Step 3: Cross multiply
    39,089.16x = 58,611.87 × 12,786.84
  4. Step 4: Simplify right side
    39,089.16x = 749,460,603.79
  5. Step 5: Solve for x
    x = 749,460,603.79/39,089.16
  6. Step 6: Final answer
    x = 19,173.11

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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.