Home / 30,037.56-45,058.68-8,976

Finding the Fourth Proportional to 30,037.56, 45,058.68 and 8,976

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Solution

The fourth proportional to 30,037.56, 45,058.68 and 8,976 is: 13,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.56 : 45,058.68 = 8,976 : x
  2. Step 2: Convert to fraction form
    30,037.56/45,058.68 = 8,976/x
  3. Step 3: Cross multiply
    30,037.56x = 45,058.68 × 8,976
  4. Step 4: Simplify right side
    30,037.56x = 404,446,711.68
  5. Step 5: Solve for x
    x = 404,446,711.68/30,037.56
  6. Step 6: Final answer
    x = 13,464.70

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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.