Home / 41,278.78-61,918.18-16,637.50

Finding the Fourth Proportional to 41,278.78, 61,918.18 and 16,637.50

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Solution

The fourth proportional to 41,278.78, 61,918.18 and 16,637.50 is: 24,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278.78 : 61,918.18 = 16,637.50 : x
  2. Step 2: Convert to fraction form
    41,278.78/61,918.18 = 16,637.50/x
  3. Step 3: Cross multiply
    41,278.78x = 61,918.18 × 16,637.50
  4. Step 4: Simplify right side
    41,278.78x = 1,030,163,719.75
  5. Step 5: Solve for x
    x = 1,030,163,719.75/41,278.78
  6. Step 6: Final answer
    x = 24,956.25

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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.