Home / 39,195.72-58,683.96-20,434.68

Finding the Fourth Proportional to 39,195.72, 58,683.96 and 20,434.68

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Solution

The fourth proportional to 39,195.72, 58,683.96 and 20,434.68 is: 30,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.72 : 58,683.96 = 20,434.68 : x
  2. Step 2: Convert to fraction form
    39,195.72/58,683.96 = 20,434.68/x
  3. Step 3: Cross multiply
    39,195.72x = 58,683.96 × 20,434.68
  4. Step 4: Simplify right side
    39,195.72x = 1,199,187,943.73
  5. Step 5: Solve for x
    x = 1,199,187,943.73/39,195.72
  6. Step 6: Final answer
    x = 30,594.87

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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.