Home / 39,355.53-59,039.13-12,692.75

Finding the Fourth Proportional to 39,355.53, 59,039.13 and 12,692.75

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Solution

The fourth proportional to 39,355.53, 59,039.13 and 12,692.75 is: 19,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.53 : 59,039.13 = 12,692.75 : x
  2. Step 2: Convert to fraction form
    39,355.53/59,039.13 = 12,692.75/x
  3. Step 3: Cross multiply
    39,355.53x = 59,039.13 × 12,692.75
  4. Step 4: Simplify right side
    39,355.53x = 749,368,930.41
  5. Step 5: Solve for x
    x = 749,368,930.41/39,355.53
  6. Step 6: Final answer
    x = 19,041.01

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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.