Home / 51,419.76-70,951.32-30,197.04

Finding the Fourth Proportional to 51,419.76, 70,951.32 and 30,197.04

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Solution

The fourth proportional to 51,419.76, 70,951.32 and 30,197.04 is: 41,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419.76 : 70,951.32 = 30,197.04 : x
  2. Step 2: Convert to fraction form
    51,419.76/70,951.32 = 30,197.04/x
  3. Step 3: Cross multiply
    51,419.76x = 70,951.32 × 30,197.04
  4. Step 4: Simplify right side
    51,419.76x = 2,142,519,848.09
  5. Step 5: Solve for x
    x = 2,142,519,848.09/51,419.76
  6. Step 6: Final answer
    x = 41,667.25

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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.