Home / 54,297.72-74,930.13-30,424.86

Finding the Fourth Proportional to 54,297.72, 74,930.13 and 30,424.86

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Solution

The fourth proportional to 54,297.72, 74,930.13 and 30,424.86 is: 41,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,297.72 : 74,930.13 = 30,424.86 : x
  2. Step 2: Convert to fraction form
    54,297.72/74,930.13 = 30,424.86/x
  3. Step 3: Cross multiply
    54,297.72x = 74,930.13 × 30,424.86
  4. Step 4: Simplify right side
    54,297.72x = 2,279,738,715.03
  5. Step 5: Solve for x
    x = 2,279,738,715.03/54,297.72
  6. Step 6: Final answer
    x = 41,985.90

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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.