Home / 35,327.06-48,729.70-20,977.16

Finding the Fourth Proportional to 35,327.06, 48,729.70 and 20,977.16

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Solution

The fourth proportional to 35,327.06, 48,729.70 and 20,977.16 is: 28,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,327.06 : 48,729.70 = 20,977.16 : x
  2. Step 2: Convert to fraction form
    35,327.06/48,729.70 = 20,977.16/x
  3. Step 3: Cross multiply
    35,327.06x = 48,729.70 × 20,977.16
  4. Step 4: Simplify right side
    35,327.06x = 1,022,210,713.65
  5. Step 5: Solve for x
    x = 1,022,210,713.65/35,327.06
  6. Step 6: Final answer
    x = 28,935.63

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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.