Home / 45,759.34-68,622.92-13,728.86

Finding the Fourth Proportional to 45,759.34, 68,622.92 and 13,728.86

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Solution

The fourth proportional to 45,759.34, 68,622.92 and 13,728.86 is: 20,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759.34 : 68,622.92 = 13,728.86 : x
  2. Step 2: Convert to fraction form
    45,759.34/68,622.92 = 13,728.86/x
  3. Step 3: Cross multiply
    45,759.34x = 68,622.92 × 13,728.86
  4. Step 4: Simplify right side
    45,759.34x = 942,114,461.47
  5. Step 5: Solve for x
    x = 942,114,461.47/45,759.34
  6. Step 6: Final answer
    x = 20,588.46

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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.