Home / 31,578.06-47,381.70-14,059.38

Finding the Fourth Proportional to 31,578.06, 47,381.70 and 14,059.38

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Solution

The fourth proportional to 31,578.06, 47,381.70 and 14,059.38 is: 21,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.06 : 47,381.70 = 14,059.38 : x
  2. Step 2: Convert to fraction form
    31,578.06/47,381.70 = 14,059.38/x
  3. Step 3: Cross multiply
    31,578.06x = 47,381.70 × 14,059.38
  4. Step 4: Simplify right side
    31,578.06x = 666,157,325.35
  5. Step 5: Solve for x
    x = 666,157,325.35/31,578.06
  6. Step 6: Final answer
    x = 21,095.57

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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.