Home / 29,177.99-43,701.33-20,451.86

Finding the Fourth Proportional to 29,177.99, 43,701.33 and 20,451.86

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Solution

The fourth proportional to 29,177.99, 43,701.33 and 20,451.86 is: 30,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,177.99 : 43,701.33 = 20,451.86 : x
  2. Step 2: Convert to fraction form
    29,177.99/43,701.33 = 20,451.86/x
  3. Step 3: Cross multiply
    29,177.99x = 43,701.33 × 20,451.86
  4. Step 4: Simplify right side
    29,177.99x = 893,773,341.16
  5. Step 5: Solve for x
    x = 893,773,341.16/29,177.99
  6. Step 6: Final answer
    x = 30,631.77

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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.