Home / 35,694.10-49,257.81-19,779.58

Finding the Fourth Proportional to 35,694.10, 49,257.81 and 19,779.58

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Solution

The fourth proportional to 35,694.10, 49,257.81 and 19,779.58 is: 27,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.10 : 49,257.81 = 19,779.58 : x
  2. Step 2: Convert to fraction form
    35,694.10/49,257.81 = 19,779.58/x
  3. Step 3: Cross multiply
    35,694.10x = 49,257.81 × 19,779.58
  4. Step 4: Simplify right side
    35,694.10x = 974,298,793.52
  5. Step 5: Solve for x
    x = 974,298,793.52/35,694.10
  6. Step 6: Final answer
    x = 27,295.79

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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.