Home / 43,229.48-64,838.75-13,650.30

Finding the Fourth Proportional to 43,229.48, 64,838.75 and 13,650.30

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Solution

The fourth proportional to 43,229.48, 64,838.75 and 13,650.30 is: 20,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229.48 : 64,838.75 = 13,650.30 : x
  2. Step 2: Convert to fraction form
    43,229.48/64,838.75 = 13,650.30/x
  3. Step 3: Cross multiply
    43,229.48x = 64,838.75 × 13,650.30
  4. Step 4: Simplify right side
    43,229.48x = 885,068,320.87
  5. Step 5: Solve for x
    x = 885,068,320.87/43,229.48
  6. Step 6: Final answer
    x = 20,473.72

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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.