Home / 40,372.62-60,558.96-19,307.70

Finding the Fourth Proportional to 40,372.62, 60,558.96 and 19,307.70

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Solution

The fourth proportional to 40,372.62, 60,558.96 and 19,307.70 is: 28,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.62 : 60,558.96 = 19,307.70 : x
  2. Step 2: Convert to fraction form
    40,372.62/60,558.96 = 19,307.70/x
  3. Step 3: Cross multiply
    40,372.62x = 60,558.96 × 19,307.70
  4. Step 4: Simplify right side
    40,372.62x = 1,169,254,231.99
  5. Step 5: Solve for x
    x = 1,169,254,231.99/40,372.62
  6. Step 6: Final answer
    x = 28,961.56

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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.