Home / 31,453.86-47,112.75-14,788.92

Finding the Fourth Proportional to 31,453.86, 47,112.75 and 14,788.92

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Solution

The fourth proportional to 31,453.86, 47,112.75 and 14,788.92 is: 22,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.86 : 47,112.75 = 14,788.92 : x
  2. Step 2: Convert to fraction form
    31,453.86/47,112.75 = 14,788.92/x
  3. Step 3: Cross multiply
    31,453.86x = 47,112.75 × 14,788.92
  4. Step 4: Simplify right side
    31,453.86x = 696,746,690.73
  5. Step 5: Solve for x
    x = 696,746,690.73/31,453.86
  6. Step 6: Final answer
    x = 22,151.39

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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.