Home / 32,947.88-45,464.68-18,798

Finding the Fourth Proportional to 32,947.88, 45,464.68 and 18,798

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Solution

The fourth proportional to 32,947.88, 45,464.68 and 18,798 is: 25,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,947.88 : 45,464.68 = 18,798 : x
  2. Step 2: Convert to fraction form
    32,947.88/45,464.68 = 18,798/x
  3. Step 3: Cross multiply
    32,947.88x = 45,464.68 × 18,798
  4. Step 4: Simplify right side
    32,947.88x = 854,645,054.64
  5. Step 5: Solve for x
    x = 854,645,054.64/32,947.88
  6. Step 6: Final answer
    x = 25,939.30

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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.