Home / 40,968.76-61,460.16-18,784.04

Finding the Fourth Proportional to 40,968.76, 61,460.16 and 18,784.04

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Solution

The fourth proportional to 40,968.76, 61,460.16 and 18,784.04 is: 28,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,968.76 : 61,460.16 = 18,784.04 : x
  2. Step 2: Convert to fraction form
    40,968.76/61,460.16 = 18,784.04/x
  3. Step 3: Cross multiply
    40,968.76x = 61,460.16 × 18,784.04
  4. Step 4: Simplify right side
    40,968.76x = 1,154,470,103.85
  5. Step 5: Solve for x
    x = 1,154,470,103.85/40,968.76
  6. Step 6: Final answer
    x = 28,179.28

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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.