Home / 34,345.66-47,391.58-20,007.86

Finding the Fourth Proportional to 34,345.66, 47,391.58 and 20,007.86

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Solution

The fourth proportional to 34,345.66, 47,391.58 and 20,007.86 is: 27,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,345.66 : 47,391.58 = 20,007.86 : x
  2. Step 2: Convert to fraction form
    34,345.66/47,391.58 = 20,007.86/x
  3. Step 3: Cross multiply
    34,345.66x = 47,391.58 × 20,007.86
  4. Step 4: Simplify right side
    34,345.66x = 948,204,097.82
  5. Step 5: Solve for x
    x = 948,204,097.82/34,345.66
  6. Step 6: Final answer
    x = 27,607.68

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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.