Home / 37,138.22-55,716.54-18,427.08

Finding the Fourth Proportional to 37,138.22, 55,716.54 and 18,427.08

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Solution

The fourth proportional to 37,138.22, 55,716.54 and 18,427.08 is: 27,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.22 : 55,716.54 = 18,427.08 : x
  2. Step 2: Convert to fraction form
    37,138.22/55,716.54 = 18,427.08/x
  3. Step 3: Cross multiply
    37,138.22x = 55,716.54 × 18,427.08
  4. Step 4: Simplify right side
    37,138.22x = 1,026,693,139.90
  5. Step 5: Solve for x
    x = 1,026,693,139.90/37,138.22
  6. Step 6: Final answer
    x = 27,645.19

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1.5x scale

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.