Home / 56,181.18-77,529.38-30,687.24

Finding the Fourth Proportional to 56,181.18, 77,529.38 and 30,687.24

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Solution

The fourth proportional to 56,181.18, 77,529.38 and 30,687.24 is: 42,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.18 : 77,529.38 = 30,687.24 : x
  2. Step 2: Convert to fraction form
    56,181.18/77,529.38 = 30,687.24/x
  3. Step 3: Cross multiply
    56,181.18x = 77,529.38 × 30,687.24
  4. Step 4: Simplify right side
    56,181.18x = 2,379,162,537.68
  5. Step 5: Solve for x
    x = 2,379,162,537.68/56,181.18
  6. Step 6: Final answer
    x = 42,348.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.