Home / 51,425.96-77,182.77-20,283.08

Finding the Fourth Proportional to 51,425.96, 77,182.77 and 20,283.08

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Solution

The fourth proportional to 51,425.96, 77,182.77 and 20,283.08 is: 30,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.96 : 77,182.77 = 20,283.08 : x
  2. Step 2: Convert to fraction form
    51,425.96/77,182.77 = 20,283.08/x
  3. Step 3: Cross multiply
    51,425.96x = 77,182.77 × 20,283.08
  4. Step 4: Simplify right side
    51,425.96x = 1,565,504,298.53
  5. Step 5: Solve for x
    x = 1,565,504,298.53/51,425.96
  6. Step 6: Final answer
    x = 30,441.91

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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.