Home / 39,451.50-59,206.41-18,675

Finding the Fourth Proportional to 39,451.50, 59,206.41 and 18,675

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Solution

The fourth proportional to 39,451.50, 59,206.41 and 18,675 is: 28,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.50 : 59,206.41 = 18,675 : x
  2. Step 2: Convert to fraction form
    39,451.50/59,206.41 = 18,675/x
  3. Step 3: Cross multiply
    39,451.50x = 59,206.41 × 18,675
  4. Step 4: Simplify right side
    39,451.50x = 1,105,679,706.75
  5. Step 5: Solve for x
    x = 1,105,679,706.75/39,451.50
  6. Step 6: Final answer
    x = 28,026.30

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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.