Home / 38,285.64-57,464.00-19,579.04

Finding the Fourth Proportional to 38,285.64, 57,464.00 and 19,579.04

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Solution

The fourth proportional to 38,285.64, 57,464.00 and 19,579.04 is: 29,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.64 : 57,464.00 = 19,579.04 : x
  2. Step 2: Convert to fraction form
    38,285.64/57,464.00 = 19,579.04/x
  3. Step 3: Cross multiply
    38,285.64x = 57,464.00 × 19,579.04
  4. Step 4: Simplify right side
    38,285.64x = 1,125,090,181.49
  5. Step 5: Solve for x
    x = 1,125,090,181.49/38,285.64
  6. Step 6: Final answer
    x = 29,386.74

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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.