Home / 45,887.31-68,822.74-12,153.55

Finding the Fourth Proportional to 45,887.31, 68,822.74 and 12,153.55

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Solution

The fourth proportional to 45,887.31, 68,822.74 and 12,153.55 is: 18,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887.31 : 68,822.74 = 12,153.55 : x
  2. Step 2: Convert to fraction form
    45,887.31/68,822.74 = 12,153.55/x
  3. Step 3: Cross multiply
    45,887.31x = 68,822.74 × 12,153.55
  4. Step 4: Simplify right side
    45,887.31x = 836,440,611.73
  5. Step 5: Solve for x
    x = 836,440,611.73/45,887.31
  6. Step 6: Final answer
    x = 18,228.15

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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.