Home / 37,218.75-55,837.23-18,507.60

Finding the Fourth Proportional to 37,218.75, 55,837.23 and 18,507.60

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Solution

The fourth proportional to 37,218.75, 55,837.23 and 18,507.60 is: 27,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.75 : 55,837.23 = 18,507.60 : x
  2. Step 2: Convert to fraction form
    37,218.75/55,837.23 = 18,507.60/x
  3. Step 3: Cross multiply
    37,218.75x = 55,837.23 × 18,507.60
  4. Step 4: Simplify right side
    37,218.75x = 1,033,413,117.95
  5. Step 5: Solve for x
    x = 1,033,413,117.95/37,218.75
  6. Step 6: Final answer
    x = 27,765.93

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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.