Home / 45,489.10-68,224.25-12,201.25

Finding the Fourth Proportional to 45,489.10, 68,224.25 and 12,201.25

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Solution

The fourth proportional to 45,489.10, 68,224.25 and 12,201.25 is: 18,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.10 : 68,224.25 = 12,201.25 : x
  2. Step 2: Convert to fraction form
    45,489.10/68,224.25 = 12,201.25/x
  3. Step 3: Cross multiply
    45,489.10x = 68,224.25 × 12,201.25
  4. Step 4: Simplify right side
    45,489.10x = 832,421,130.31
  5. Step 5: Solve for x
    x = 832,421,130.31/45,489.10
  6. Step 6: Final answer
    x = 18,299.35

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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.