Home / 42,840.24-64,215.81-16,563.03

Finding the Fourth Proportional to 42,840.24, 64,215.81 and 16,563.03

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Solution

The fourth proportional to 42,840.24, 64,215.81 and 16,563.03 is: 24,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,840.24 : 64,215.81 = 16,563.03 : x
  2. Step 2: Convert to fraction form
    42,840.24/64,215.81 = 16,563.03/x
  3. Step 3: Cross multiply
    42,840.24x = 64,215.81 × 16,563.03
  4. Step 4: Simplify right side
    42,840.24x = 1,063,608,387.50
  5. Step 5: Solve for x
    x = 1,063,608,387.50/42,840.24
  6. Step 6: Final answer
    x = 24,827.32

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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.