Home / 39,613.50-59,346.09-19,868.94

Finding the Fourth Proportional to 39,613.50, 59,346.09 and 19,868.94

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Solution

The fourth proportional to 39,613.50, 59,346.09 and 19,868.94 is: 29,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.50 : 59,346.09 = 19,868.94 : x
  2. Step 2: Convert to fraction form
    39,613.50/59,346.09 = 19,868.94/x
  3. Step 3: Cross multiply
    39,613.50x = 59,346.09 × 19,868.94
  4. Step 4: Simplify right side
    39,613.50x = 1,179,143,901.44
  5. Step 5: Solve for x
    x = 1,179,143,901.44/39,613.50
  6. Step 6: Final answer
    x = 29,766.21

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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.