Home / 35,037.08-48,327.16-20,879

Finding the Fourth Proportional to 35,037.08, 48,327.16 and 20,879

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Solution

The fourth proportional to 35,037.08, 48,327.16 and 20,879 is: 28,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,037.08 : 48,327.16 = 20,879 : x
  2. Step 2: Convert to fraction form
    35,037.08/48,327.16 = 20,879/x
  3. Step 3: Cross multiply
    35,037.08x = 48,327.16 × 20,879
  4. Step 4: Simplify right side
    35,037.08x = 1,009,022,773.64
  5. Step 5: Solve for x
    x = 1,009,022,773.64/35,037.08
  6. Step 6: Final answer
    x = 28,798.71

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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.