Home / 43,127.15-64,668.84-19,733.54

Finding the Fourth Proportional to 43,127.15, 64,668.84 and 19,733.54

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Solution

The fourth proportional to 43,127.15, 64,668.84 and 19,733.54 is: 29,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.15 : 64,668.84 = 19,733.54 : x
  2. Step 2: Convert to fraction form
    43,127.15/64,668.84 = 19,733.54/x
  3. Step 3: Cross multiply
    43,127.15x = 64,668.84 × 19,733.54
  4. Step 4: Simplify right side
    43,127.15x = 1,276,144,817.55
  5. Step 5: Solve for x
    x = 1,276,144,817.55/43,127.15
  6. Step 6: Final answer
    x = 29,590.29

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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.