Home / 31,736.61-47,638.41-31,021.74

Finding the Fourth Proportional to 31,736.61, 47,638.41 and 31,021.74

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Solution

The fourth proportional to 31,736.61, 47,638.41 and 31,021.74 is: 46,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.61 : 47,638.41 = 31,021.74 : x
  2. Step 2: Convert to fraction form
    31,736.61/47,638.41 = 31,021.74/x
  3. Step 3: Cross multiply
    31,736.61x = 47,638.41 × 31,021.74
  4. Step 4: Simplify right side
    31,736.61x = 1,477,826,369.03
  5. Step 5: Solve for x
    x = 1,477,826,369.03/31,736.61
  6. Step 6: Final answer
    x = 46,565.35

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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.