Home / 35,778.13-53,668.35-17,999.10

Finding the Fourth Proportional to 35,778.13, 53,668.35 and 17,999.10

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Solution

The fourth proportional to 35,778.13, 53,668.35 and 17,999.10 is: 26,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.13 : 53,668.35 = 17,999.10 : x
  2. Step 2: Convert to fraction form
    35,778.13/53,668.35 = 17,999.10/x
  3. Step 3: Cross multiply
    35,778.13x = 53,668.35 × 17,999.10
  4. Step 4: Simplify right side
    35,778.13x = 965,981,998.49
  5. Step 5: Solve for x
    x = 965,981,998.49/35,778.13
  6. Step 6: Final answer
    x = 26,999.23

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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.