Home / 31,591.14-47,345.58-12,849.32

Finding the Fourth Proportional to 31,591.14, 47,345.58 and 12,849.32

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Solution

The fourth proportional to 31,591.14, 47,345.58 and 12,849.32 is: 19,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.14 : 47,345.58 = 12,849.32 : x
  2. Step 2: Convert to fraction form
    31,591.14/47,345.58 = 12,849.32/x
  3. Step 3: Cross multiply
    31,591.14x = 47,345.58 × 12,849.32
  4. Step 4: Simplify right side
    31,591.14x = 608,358,508.01
  5. Step 5: Solve for x
    x = 608,358,508.01/31,591.14
  6. Step 6: Final answer
    x = 19,257.25

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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.