Home / 45,170.66-67,779.12-21,504.98

Finding the Fourth Proportional to 45,170.66, 67,779.12 and 21,504.98

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Solution

The fourth proportional to 45,170.66, 67,779.12 and 21,504.98 is: 32,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.66 : 67,779.12 = 21,504.98 : x
  2. Step 2: Convert to fraction form
    45,170.66/67,779.12 = 21,504.98/x
  3. Step 3: Cross multiply
    45,170.66x = 67,779.12 × 21,504.98
  4. Step 4: Simplify right side
    45,170.66x = 1,457,588,620.02
  5. Step 5: Solve for x
    x = 1,457,588,620.02/45,170.66
  6. Step 6: Final answer
    x = 32,268.48

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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.