Home / 34,579.12-47,719.38-19,675.12

Finding the Fourth Proportional to 34,579.12, 47,719.38 and 19,675.12

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Solution

The fourth proportional to 34,579.12, 47,719.38 and 19,675.12 is: 27,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,579.12 : 47,719.38 = 19,675.12 : x
  2. Step 2: Convert to fraction form
    34,579.12/47,719.38 = 19,675.12/x
  3. Step 3: Cross multiply
    34,579.12x = 47,719.38 × 19,675.12
  4. Step 4: Simplify right side
    34,579.12x = 938,884,527.83
  5. Step 5: Solve for x
    x = 938,884,527.83/34,579.12
  6. Step 6: Final answer
    x = 27,151.78

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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.