Home / 39,109.76-58,676.16-14,480

Finding the Fourth Proportional to 39,109.76, 58,676.16 and 14,480

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Solution

The fourth proportional to 39,109.76, 58,676.16 and 14,480 is: 21,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.76 : 58,676.16 = 14,480 : x
  2. Step 2: Convert to fraction form
    39,109.76/58,676.16 = 14,480/x
  3. Step 3: Cross multiply
    39,109.76x = 58,676.16 × 14,480
  4. Step 4: Simplify right side
    39,109.76x = 849,630,796.80
  5. Step 5: Solve for x
    x = 849,630,796.80/39,109.76
  6. Step 6: Final answer
    x = 21,724.27

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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.