Home / 39,778.85-59,663.41-16,402.25

Finding the Fourth Proportional to 39,778.85, 59,663.41 and 16,402.25

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Solution

The fourth proportional to 39,778.85, 59,663.41 and 16,402.25 is: 24,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.85 : 59,663.41 = 16,402.25 : x
  2. Step 2: Convert to fraction form
    39,778.85/59,663.41 = 16,402.25/x
  3. Step 3: Cross multiply
    39,778.85x = 59,663.41 × 16,402.25
  4. Step 4: Simplify right side
    39,778.85x = 978,613,827.35
  5. Step 5: Solve for x
    x = 978,613,827.35/39,778.85
  6. Step 6: Final answer
    x = 24,601.36

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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.