Home / 31,518.29-47,261.32-10,450.73

Finding the Fourth Proportional to 31,518.29, 47,261.32 and 10,450.73

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Solution

The fourth proportional to 31,518.29, 47,261.32 and 10,450.73 is: 15,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.29 : 47,261.32 = 10,450.73 : x
  2. Step 2: Convert to fraction form
    31,518.29/47,261.32 = 10,450.73/x
  3. Step 3: Cross multiply
    31,518.29x = 47,261.32 × 10,450.73
  4. Step 4: Simplify right side
    31,518.29x = 493,915,294.76
  5. Step 5: Solve for x
    x = 493,915,294.76/31,518.29
  6. Step 6: Final answer
    x = 15,670.75

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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.