Home / 52,678.20-72,687.42-30,017.64

Finding the Fourth Proportional to 52,678.20, 72,687.42 and 30,017.64

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Solution

The fourth proportional to 52,678.20, 72,687.42 and 30,017.64 is: 41,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.20 : 72,687.42 = 30,017.64 : x
  2. Step 2: Convert to fraction form
    52,678.20/72,687.42 = 30,017.64/x
  3. Step 3: Cross multiply
    52,678.20x = 72,687.42 × 30,017.64
  4. Step 4: Simplify right side
    52,678.20x = 2,181,904,806.09
  5. Step 5: Solve for x
    x = 2,181,904,806.09/52,678.20
  6. Step 6: Final answer
    x = 41,419.50

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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.