Home / 34,738.14-47,934.78-19,630.77

Finding the Fourth Proportional to 34,738.14, 47,934.78 and 19,630.77

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Solution

The fourth proportional to 34,738.14, 47,934.78 and 19,630.77 is: 27,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.14 : 47,934.78 = 19,630.77 : x
  2. Step 2: Convert to fraction form
    34,738.14/47,934.78 = 19,630.77/x
  3. Step 3: Cross multiply
    34,738.14x = 47,934.78 × 19,630.77
  4. Step 4: Simplify right side
    34,738.14x = 940,996,494.60
  5. Step 5: Solve for x
    x = 940,996,494.60/34,738.14
  6. Step 6: Final answer
    x = 27,088.28

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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.