Home / 42,821.45-64,250.54-16,544.64

Finding the Fourth Proportional to 42,821.45, 64,250.54 and 16,544.64

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Solution

The fourth proportional to 42,821.45, 64,250.54 and 16,544.64 is: 24,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,821.45 : 64,250.54 = 16,544.64 : x
  2. Step 2: Convert to fraction form
    42,821.45/64,250.54 = 16,544.64/x
  3. Step 3: Cross multiply
    42,821.45x = 64,250.54 × 16,544.64
  4. Step 4: Simplify right side
    42,821.45x = 1,063,001,971.38
  5. Step 5: Solve for x
    x = 1,063,001,971.38/42,821.45
  6. Step 6: Final answer
    x = 24,824.06

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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.