Home / 31,641.84-47,458.68-14,107.62

Finding the Fourth Proportional to 31,641.84, 47,458.68 and 14,107.62

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Solution

The fourth proportional to 31,641.84, 47,458.68 and 14,107.62 is: 21,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.84 : 47,458.68 = 14,107.62 : x
  2. Step 2: Convert to fraction form
    31,641.84/47,458.68 = 14,107.62/x
  3. Step 3: Cross multiply
    31,641.84x = 47,458.68 × 14,107.62
  4. Step 4: Simplify right side
    31,641.84x = 669,529,023.14
  5. Step 5: Solve for x
    x = 669,529,023.14/31,641.84
  6. Step 6: Final answer
    x = 21,159.61

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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.