Home / 47,286.78-70,930.86-14,010.21

Finding the Fourth Proportional to 47,286.78, 70,930.86 and 14,010.21

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Solution

The fourth proportional to 47,286.78, 70,930.86 and 14,010.21 is: 21,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.78 : 70,930.86 = 14,010.21 : x
  2. Step 2: Convert to fraction form
    47,286.78/70,930.86 = 14,010.21/x
  3. Step 3: Cross multiply
    47,286.78x = 70,930.86 × 14,010.21
  4. Step 4: Simplify right side
    47,286.78x = 993,756,244.08
  5. Step 5: Solve for x
    x = 993,756,244.08/47,286.78
  6. Step 6: Final answer
    x = 21,015.52

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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.