Home / 47,977.08-66,208.68-27,846

Finding the Fourth Proportional to 47,977.08, 66,208.68 and 27,846

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Solution

The fourth proportional to 47,977.08, 66,208.68 and 27,846 is: 38,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.08 : 66,208.68 = 27,846 : x
  2. Step 2: Convert to fraction form
    47,977.08/66,208.68 = 27,846/x
  3. Step 3: Cross multiply
    47,977.08x = 66,208.68 × 27,846
  4. Step 4: Simplify right side
    47,977.08x = 1,843,646,903.28
  5. Step 5: Solve for x
    x = 1,843,646,903.28/47,977.08
  6. Step 6: Final answer
    x = 38,427.66

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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.