Home / 42,867.66-64,270.34-17,914.84

Finding the Fourth Proportional to 42,867.66, 64,270.34 and 17,914.84

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Solution

The fourth proportional to 42,867.66, 64,270.34 and 17,914.84 is: 26,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.66 : 64,270.34 = 17,914.84 : x
  2. Step 2: Convert to fraction form
    42,867.66/64,270.34 = 17,914.84/x
  3. Step 3: Cross multiply
    42,867.66x = 64,270.34 × 17,914.84
  4. Step 4: Simplify right side
    42,867.66x = 1,151,392,768.27
  5. Step 5: Solve for x
    x = 1,151,392,768.27/42,867.66
  6. Step 6: Final answer
    x = 26,859.24

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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.