Home / 61,821.60-92,732.40-30,717.60

Finding the Fourth Proportional to 61,821.60, 92,732.40 and 30,717.60

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Solution

The fourth proportional to 61,821.60, 92,732.40 and 30,717.60 is: 46,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.60 : 92,732.40 = 30,717.60 : x
  2. Step 2: Convert to fraction form
    61,821.60/92,732.40 = 30,717.60/x
  3. Step 3: Cross multiply
    61,821.60x = 92,732.40 × 30,717.60
  4. Step 4: Simplify right side
    61,821.60x = 2,848,516,770.24
  5. Step 5: Solve for x
    x = 2,848,516,770.24/61,821.60
  6. Step 6: Final answer
    x = 46,076.40

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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.