Home / 39,811.01-59,730.87-20,074.70

Finding the Fourth Proportional to 39,811.01, 59,730.87 and 20,074.70

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Solution

The fourth proportional to 39,811.01, 59,730.87 and 20,074.70 is: 30,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.01 : 59,730.87 = 20,074.70 : x
  2. Step 2: Convert to fraction form
    39,811.01/59,730.87 = 20,074.70/x
  3. Step 3: Cross multiply
    39,811.01x = 59,730.87 × 20,074.70
  4. Step 4: Simplify right side
    39,811.01x = 1,199,079,295.99
  5. Step 5: Solve for x
    x = 1,199,079,295.99/39,811.01
  6. Step 6: Final answer
    x = 30,119.29

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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.