Home / 40,967.76-61,458.66-18,783.04

Finding the Fourth Proportional to 40,967.76, 61,458.66 and 18,783.04

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Solution

The fourth proportional to 40,967.76, 61,458.66 and 18,783.04 is: 28,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,967.76 : 61,458.66 = 18,783.04 : x
  2. Step 2: Convert to fraction form
    40,967.76/61,458.66 = 18,783.04/x
  3. Step 3: Cross multiply
    40,967.76x = 61,458.66 × 18,783.04
  4. Step 4: Simplify right side
    40,967.76x = 1,154,380,161.83
  5. Step 5: Solve for x
    x = 1,154,380,161.83/40,967.76
  6. Step 6: Final answer
    x = 28,177.77

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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.