Home / 31,670.46-47,489.75-10,603.17

Finding the Fourth Proportional to 31,670.46, 47,489.75 and 10,603.17

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Solution

The fourth proportional to 31,670.46, 47,489.75 and 10,603.17 is: 15,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.46 : 47,489.75 = 10,603.17 : x
  2. Step 2: Convert to fraction form
    31,670.46/47,489.75 = 10,603.17/x
  3. Step 3: Cross multiply
    31,670.46x = 47,489.75 × 10,603.17
  4. Step 4: Simplify right side
    31,670.46x = 503,541,892.51
  5. Step 5: Solve for x
    x = 503,541,892.51/31,670.46
  6. Step 6: Final answer
    x = 15,899.42

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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.