Home / 47,785.92-71,679.12-14,506.28

Finding the Fourth Proportional to 47,785.92, 71,679.12 and 14,506.28

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Solution

The fourth proportional to 47,785.92, 71,679.12 and 14,506.28 is: 21,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.92 : 71,679.12 = 14,506.28 : x
  2. Step 2: Convert to fraction form
    47,785.92/71,679.12 = 14,506.28/x
  3. Step 3: Cross multiply
    47,785.92x = 71,679.12 × 14,506.28
  4. Step 4: Simplify right side
    47,785.92x = 1,039,797,384.87
  5. Step 5: Solve for x
    x = 1,039,797,384.87/47,785.92
  6. Step 6: Final answer
    x = 21,759.49

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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.