Home / 42,709.76-64,047.44-17,732.80

Finding the Fourth Proportional to 42,709.76, 64,047.44 and 17,732.80

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Solution

The fourth proportional to 42,709.76, 64,047.44 and 17,732.80 is: 26,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709.76 : 64,047.44 = 17,732.80 : x
  2. Step 2: Convert to fraction form
    42,709.76/64,047.44 = 17,732.80/x
  3. Step 3: Cross multiply
    42,709.76x = 64,047.44 × 17,732.80
  4. Step 4: Simplify right side
    42,709.76x = 1,135,740,444.03
  5. Step 5: Solve for x
    x = 1,135,740,444.03/42,709.76
  6. Step 6: Final answer
    x = 26,592.06

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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.