Home / 45,177.64-67,754.63-13,579.25

Finding the Fourth Proportional to 45,177.64, 67,754.63 and 13,579.25

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Solution

The fourth proportional to 45,177.64, 67,754.63 and 13,579.25 is: 20,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,177.64 : 67,754.63 = 13,579.25 : x
  2. Step 2: Convert to fraction form
    45,177.64/67,754.63 = 13,579.25/x
  3. Step 3: Cross multiply
    45,177.64x = 67,754.63 × 13,579.25
  4. Step 4: Simplify right side
    45,177.64x = 920,056,754.60
  5. Step 5: Solve for x
    x = 920,056,754.60/45,177.64
  6. Step 6: Final answer
    x = 20,365.31

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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.