Home / 31,931.83-43,992.48-25,214.98

Finding the Fourth Proportional to 31,931.83, 43,992.48 and 25,214.98

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Solution

The fourth proportional to 31,931.83, 43,992.48 and 25,214.98 is: 34,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.83 : 43,992.48 = 25,214.98 : x
  2. Step 2: Convert to fraction form
    31,931.83/43,992.48 = 25,214.98/x
  3. Step 3: Cross multiply
    31,931.83x = 43,992.48 × 25,214.98
  4. Step 4: Simplify right side
    31,931.83x = 1,109,269,503.35
  5. Step 5: Solve for x
    x = 1,109,269,503.35/31,931.83
  6. Step 6: Final answer
    x = 34,738.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.