Home / 35,653.47-53,463.79-20,071.09

Finding the Fourth Proportional to 35,653.47, 53,463.79 and 20,071.09

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Solution

The fourth proportional to 35,653.47, 53,463.79 and 20,071.09 is: 30,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.47 : 53,463.79 = 20,071.09 : x
  2. Step 2: Convert to fraction form
    35,653.47/53,463.79 = 20,071.09/x
  3. Step 3: Cross multiply
    35,653.47x = 53,463.79 × 20,071.09
  4. Step 4: Simplify right side
    35,653.47x = 1,073,076,540.83
  5. Step 5: Solve for x
    x = 1,073,076,540.83/35,653.47
  6. Step 6: Final answer
    x = 30,097.39

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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.