Home / 69,683.77-96,161.40-39,471.89

Finding the Fourth Proportional to 69,683.77, 96,161.40 and 39,471.89

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Solution

The fourth proportional to 69,683.77, 96,161.40 and 39,471.89 is: 54,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,683.77 : 96,161.40 = 39,471.89 : x
  2. Step 2: Convert to fraction form
    69,683.77/96,161.40 = 39,471.89/x
  3. Step 3: Cross multiply
    69,683.77x = 96,161.40 × 39,471.89
  4. Step 4: Simplify right side
    69,683.77x = 3,795,671,722.24
  5. Step 5: Solve for x
    x = 3,795,671,722.24/69,683.77
  6. Step 6: Final answer
    x = 54,469.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.