Home / 35,613.60-49,149.54-19,699.53

Finding the Fourth Proportional to 35,613.60, 49,149.54 and 19,699.53

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Solution

The fourth proportional to 35,613.60, 49,149.54 and 19,699.53 is: 27,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,613.60 : 49,149.54 = 19,699.53 : x
  2. Step 2: Convert to fraction form
    35,613.60/49,149.54 = 19,699.53/x
  3. Step 3: Cross multiply
    35,613.60x = 49,149.54 × 19,699.53
  4. Step 4: Simplify right side
    35,613.60x = 968,222,837.72
  5. Step 5: Solve for x
    x = 968,222,837.72/35,613.60
  6. Step 6: Final answer
    x = 27,186.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.