Home / 45,564.89-68,350.91-12,284.45

Finding the Fourth Proportional to 45,564.89, 68,350.91 and 12,284.45

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Solution

The fourth proportional to 45,564.89, 68,350.91 and 12,284.45 is: 18,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.89 : 68,350.91 = 12,284.45 : x
  2. Step 2: Convert to fraction form
    45,564.89/68,350.91 = 12,284.45/x
  3. Step 3: Cross multiply
    45,564.89x = 68,350.91 × 12,284.45
  4. Step 4: Simplify right side
    45,564.89x = 839,653,189.49
  5. Step 5: Solve for x
    x = 839,653,189.49/45,564.89
  6. Step 6: Final answer
    x = 18,427.64

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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.