Home / 75,327.30-112,991.58-19,167.48

Finding the Fourth Proportional to 75,327.30, 112,991.58 and 19,167.48

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Solution

The fourth proportional to 75,327.30, 112,991.58 and 19,167.48 is: 28,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327.30 : 112,991.58 = 19,167.48 : x
  2. Step 2: Convert to fraction form
    75,327.30/112,991.58 = 19,167.48/x
  3. Step 3: Cross multiply
    75,327.30x = 112,991.58 × 19,167.48
  4. Step 4: Simplify right side
    75,327.30x = 2,165,763,849.82
  5. Step 5: Solve for x
    x = 2,165,763,849.82/75,327.30
  6. Step 6: Final answer
    x = 28,751.38

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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.