Home / 42,658.77-63,960.75-17,716.02

Finding the Fourth Proportional to 42,658.77, 63,960.75 and 17,716.02

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Solution

The fourth proportional to 42,658.77, 63,960.75 and 17,716.02 is: 26,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.77 : 63,960.75 = 17,716.02 : x
  2. Step 2: Convert to fraction form
    42,658.77/63,960.75 = 17,716.02/x
  3. Step 3: Cross multiply
    42,658.77x = 63,960.75 × 17,716.02
  4. Step 4: Simplify right side
    42,658.77x = 1,133,129,926.22
  5. Step 5: Solve for x
    x = 1,133,129,926.22/42,658.77
  6. Step 6: Final answer
    x = 26,562.65

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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.