Home / 40,319.08-60,478.64-33,379

Finding the Fourth Proportional to 40,319.08, 60,478.64 and 33,379

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Solution

The fourth proportional to 40,319.08, 60,478.64 and 33,379 is: 50,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.08 : 60,478.64 = 33,379 : x
  2. Step 2: Convert to fraction form
    40,319.08/60,478.64 = 33,379/x
  3. Step 3: Cross multiply
    40,319.08x = 60,478.64 × 33,379
  4. Step 4: Simplify right side
    40,319.08x = 2,018,716,524.56
  5. Step 5: Solve for x
    x = 2,018,716,524.56/40,319.08
  6. Step 6: Final answer
    x = 50,068.52

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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.