Home / 31,557.69-47,359.98-14,922.81

Finding the Fourth Proportional to 31,557.69, 47,359.98 and 14,922.81

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Solution

The fourth proportional to 31,557.69, 47,359.98 and 14,922.81 is: 22,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.69 : 47,359.98 = 14,922.81 : x
  2. Step 2: Convert to fraction form
    31,557.69/47,359.98 = 14,922.81/x
  3. Step 3: Cross multiply
    31,557.69x = 47,359.98 × 14,922.81
  4. Step 4: Simplify right side
    31,557.69x = 706,743,983.14
  5. Step 5: Solve for x
    x = 706,743,983.14/31,557.69
  6. Step 6: Final answer
    x = 22,395.30

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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.