Home / 39,799.62-59,699.41-11,719.67

Finding the Fourth Proportional to 39,799.62, 59,699.41 and 11,719.67

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Solution

The fourth proportional to 39,799.62, 59,699.41 and 11,719.67 is: 17,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.62 : 59,699.41 = 11,719.67 : x
  2. Step 2: Convert to fraction form
    39,799.62/59,699.41 = 11,719.67/x
  3. Step 3: Cross multiply
    39,799.62x = 59,699.41 × 11,719.67
  4. Step 4: Simplify right side
    39,799.62x = 699,657,325.80
  5. Step 5: Solve for x
    x = 699,657,325.80/39,799.62
  6. Step 6: Final answer
    x = 17,579.50

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Similar ratio
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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.