Home / 39,757.74-59,635.36-18,692.70

Finding the Fourth Proportional to 39,757.74, 59,635.36 and 18,692.70

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Solution

The fourth proportional to 39,757.74, 59,635.36 and 18,692.70 is: 28,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.74 : 59,635.36 = 18,692.70 : x
  2. Step 2: Convert to fraction form
    39,757.74/59,635.36 = 18,692.70/x
  3. Step 3: Cross multiply
    39,757.74x = 59,635.36 × 18,692.70
  4. Step 4: Simplify right side
    39,757.74x = 1,114,745,893.87
  5. Step 5: Solve for x
    x = 1,114,745,893.87/39,757.74
  6. Step 6: Final answer
    x = 28,038.46

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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.