Home / 42,927.72-64,379.10-16,626.60

Finding the Fourth Proportional to 42,927.72, 64,379.10 and 16,626.60

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Solution

The fourth proportional to 42,927.72, 64,379.10 and 16,626.60 is: 24,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,927.72 : 64,379.10 = 16,626.60 : x
  2. Step 2: Convert to fraction form
    42,927.72/64,379.10 = 16,626.60/x
  3. Step 3: Cross multiply
    42,927.72x = 64,379.10 × 16,626.60
  4. Step 4: Simplify right side
    42,927.72x = 1,070,405,544.06
  5. Step 5: Solve for x
    x = 1,070,405,544.06/42,927.72
  6. Step 6: Final answer
    x = 24,935.07

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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.