Home / 35,855.93-53,782.68-13,668.50

Finding the Fourth Proportional to 35,855.93, 53,782.68 and 13,668.50

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Solution

The fourth proportional to 35,855.93, 53,782.68 and 13,668.50 is: 20,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.93 : 53,782.68 = 13,668.50 : x
  2. Step 2: Convert to fraction form
    35,855.93/53,782.68 = 13,668.50/x
  3. Step 3: Cross multiply
    35,855.93x = 53,782.68 × 13,668.50
  4. Step 4: Simplify right side
    35,855.93x = 735,128,561.58
  5. Step 5: Solve for x
    x = 735,128,561.58/35,855.93
  6. Step 6: Final answer
    x = 20,502.29

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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.