Home / 55,598.38-83,406.20-18,671.02

Finding the Fourth Proportional to 55,598.38, 83,406.20 and 18,671.02

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Solution

The fourth proportional to 55,598.38, 83,406.20 and 18,671.02 is: 28,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,598.38 : 83,406.20 = 18,671.02 : x
  2. Step 2: Convert to fraction form
    55,598.38/83,406.20 = 18,671.02/x
  3. Step 3: Cross multiply
    55,598.38x = 83,406.20 × 18,671.02
  4. Step 4: Simplify right side
    55,598.38x = 1,557,278,457.97
  5. Step 5: Solve for x
    x = 1,557,278,457.97/55,598.38
  6. Step 6: Final answer
    x = 28,009.42

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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.