Home / 31,446.60-47,162.54-11,725.64

Finding the Fourth Proportional to 31,446.60, 47,162.54 and 11,725.64

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Solution

The fourth proportional to 31,446.60, 47,162.54 and 11,725.64 is: 17,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.60 : 47,162.54 = 11,725.64 : x
  2. Step 2: Convert to fraction form
    31,446.60/47,162.54 = 11,725.64/x
  3. Step 3: Cross multiply
    31,446.60x = 47,162.54 × 11,725.64
  4. Step 4: Simplify right side
    31,446.60x = 553,010,965.53
  5. Step 5: Solve for x
    x = 553,010,965.53/31,446.60
  6. Step 6: Final answer
    x = 17,585.72

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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.