Home / 45,317.04-67,997.85-20,374.71

Finding the Fourth Proportional to 45,317.04, 67,997.85 and 20,374.71

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Solution

The fourth proportional to 45,317.04, 67,997.85 and 20,374.71 is: 30,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317.04 : 67,997.85 = 20,374.71 : x
  2. Step 2: Convert to fraction form
    45,317.04/67,997.85 = 20,374.71/x
  3. Step 3: Cross multiply
    45,317.04x = 67,997.85 × 20,374.71
  4. Step 4: Simplify right side
    45,317.04x = 1,385,436,474.37
  5. Step 5: Solve for x
    x = 1,385,436,474.37/45,317.04
  6. Step 6: Final answer
    x = 30,572.09

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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.