Home / 35,719.76-53,527.80-20,104.04

Finding the Fourth Proportional to 35,719.76, 53,527.80 and 20,104.04

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Solution

The fourth proportional to 35,719.76, 53,527.80 and 20,104.04 is: 30,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.76 : 53,527.80 = 20,104.04 : x
  2. Step 2: Convert to fraction form
    35,719.76/53,527.80 = 20,104.04/x
  3. Step 3: Cross multiply
    35,719.76x = 53,527.80 × 20,104.04
  4. Step 4: Simplify right side
    35,719.76x = 1,076,125,032.31
  5. Step 5: Solve for x
    x = 1,076,125,032.31/35,719.76
  6. Step 6: Final answer
    x = 30,126.88

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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.