Home / 45,089.29-67,642.44-13,917.25

Finding the Fourth Proportional to 45,089.29, 67,642.44 and 13,917.25

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Solution

The fourth proportional to 45,089.29, 67,642.44 and 13,917.25 is: 20,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,089.29 : 67,642.44 = 13,917.25 : x
  2. Step 2: Convert to fraction form
    45,089.29/67,642.44 = 13,917.25/x
  3. Step 3: Cross multiply
    45,089.29x = 67,642.44 × 13,917.25
  4. Step 4: Simplify right side
    45,089.29x = 941,396,748.09
  5. Step 5: Solve for x
    x = 941,396,748.09/45,089.29
  6. Step 6: Final answer
    x = 20,878.50

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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.