Home / 39,817.82-59,732.22-13,515.50

Finding the Fourth Proportional to 39,817.82, 59,732.22 and 13,515.50

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Solution

The fourth proportional to 39,817.82, 59,732.22 and 13,515.50 is: 20,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.82 : 59,732.22 = 13,515.50 : x
  2. Step 2: Convert to fraction form
    39,817.82/59,732.22 = 13,515.50/x
  3. Step 3: Cross multiply
    39,817.82x = 59,732.22 × 13,515.50
  4. Step 4: Simplify right side
    39,817.82x = 807,310,819.41
  5. Step 5: Solve for x
    x = 807,310,819.41/39,817.82
  6. Step 6: Final answer
    x = 20,275.11

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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.