Home / 31,393.98-47,044.89-15,790.14

Finding the Fourth Proportional to 31,393.98, 47,044.89 and 15,790.14

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Solution

The fourth proportional to 31,393.98, 47,044.89 and 15,790.14 is: 23,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.98 : 47,044.89 = 15,790.14 : x
  2. Step 2: Convert to fraction form
    31,393.98/47,044.89 = 15,790.14/x
  3. Step 3: Cross multiply
    31,393.98x = 47,044.89 × 15,790.14
  4. Step 4: Simplify right side
    31,393.98x = 742,845,399.38
  5. Step 5: Solve for x
    x = 742,845,399.38/31,393.98
  6. Step 6: Final answer
    x = 23,662.03

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1.5x scale

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.