Home / 40,899.66-61,333.94-18,697.46

Finding the Fourth Proportional to 40,899.66, 61,333.94 and 18,697.46

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Solution

The fourth proportional to 40,899.66, 61,333.94 and 18,697.46 is: 28,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.66 : 61,333.94 = 18,697.46 : x
  2. Step 2: Convert to fraction form
    40,899.66/61,333.94 = 18,697.46/x
  3. Step 3: Cross multiply
    40,899.66x = 61,333.94 × 18,697.46
  4. Step 4: Simplify right side
    40,899.66x = 1,146,788,889.79
  5. Step 5: Solve for x
    x = 1,146,788,889.79/40,899.66
  6. Step 6: Final answer
    x = 28,039.08

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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.