Home / 49,832.25-74,779.51-20,250.08

Finding the Fourth Proportional to 49,832.25, 74,779.51 and 20,250.08

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Solution

The fourth proportional to 49,832.25, 74,779.51 and 20,250.08 is: 30,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.25 : 74,779.51 = 20,250.08 : x
  2. Step 2: Convert to fraction form
    49,832.25/74,779.51 = 20,250.08/x
  3. Step 3: Cross multiply
    49,832.25x = 74,779.51 × 20,250.08
  4. Step 4: Simplify right side
    49,832.25x = 1,514,291,059.86
  5. Step 5: Solve for x
    x = 1,514,291,059.86/49,832.25
  6. Step 6: Final answer
    x = 30,387.77

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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.