Home / 31,957.23-47,942.00-14,427.06

Finding the Fourth Proportional to 31,957.23, 47,942.00 and 14,427.06

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Solution

The fourth proportional to 31,957.23, 47,942.00 and 14,427.06 is: 21,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.23 : 47,942.00 = 14,427.06 : x
  2. Step 2: Convert to fraction form
    31,957.23/47,942.00 = 14,427.06/x
  3. Step 3: Cross multiply
    31,957.23x = 47,942.00 × 14,427.06
  4. Step 4: Simplify right side
    31,957.23x = 691,662,038.38
  5. Step 5: Solve for x
    x = 691,662,038.38/31,957.23
  6. Step 6: Final answer
    x = 21,643.37

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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.