Home / 31,456.56-47,172.36-9,262.32

Finding the Fourth Proportional to 31,456.56, 47,172.36 and 9,262.32

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Solution

The fourth proportional to 31,456.56, 47,172.36 and 9,262.32 is: 13,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.56 : 47,172.36 = 9,262.32 : x
  2. Step 2: Convert to fraction form
    31,456.56/47,172.36 = 9,262.32/x
  3. Step 3: Cross multiply
    31,456.56x = 47,172.36 × 9,262.32
  4. Step 4: Simplify right side
    31,456.56x = 436,925,493.48
  5. Step 5: Solve for x
    x = 436,925,493.48/31,456.56
  6. Step 6: Final answer
    x = 13,889.81

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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.