Home / 42,463.86-63,695.79-17,491.05

Finding the Fourth Proportional to 42,463.86, 63,695.79 and 17,491.05

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Solution

The fourth proportional to 42,463.86, 63,695.79 and 17,491.05 is: 26,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.86 : 63,695.79 = 17,491.05 : x
  2. Step 2: Convert to fraction form
    42,463.86/63,695.79 = 17,491.05/x
  3. Step 3: Cross multiply
    42,463.86x = 63,695.79 × 17,491.05
  4. Step 4: Simplify right side
    42,463.86x = 1,114,106,247.68
  5. Step 5: Solve for x
    x = 1,114,106,247.68/42,463.86
  6. Step 6: Final answer
    x = 26,236.58

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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.