Home / 39,974.88-55,170-33,248.64

Finding the Fourth Proportional to 39,974.88, 55,170 and 33,248.64

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Solution

The fourth proportional to 39,974.88, 55,170 and 33,248.64 is: 45,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.88 : 55,170 = 33,248.64 : x
  2. Step 2: Convert to fraction form
    39,974.88/55,170 = 33,248.64/x
  3. Step 3: Cross multiply
    39,974.88x = 55,170 × 33,248.64
  4. Step 4: Simplify right side
    39,974.88x = 1,834,327,468.80
  5. Step 5: Solve for x
    x = 1,834,327,468.80/39,974.88
  6. Step 6: Final answer
    x = 45,887.00

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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.