Home / 45,401.40-68,080.46-15,815.60

Finding the Fourth Proportional to 45,401.40, 68,080.46 and 15,815.60

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Solution

The fourth proportional to 45,401.40, 68,080.46 and 15,815.60 is: 23,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,401.40 : 68,080.46 = 15,815.60 : x
  2. Step 2: Convert to fraction form
    45,401.40/68,080.46 = 15,815.60/x
  3. Step 3: Cross multiply
    45,401.40x = 68,080.46 × 15,815.60
  4. Step 4: Simplify right side
    45,401.40x = 1,076,733,323.18
  5. Step 5: Solve for x
    x = 1,076,733,323.18/45,401.40
  6. Step 6: Final answer
    x = 23,715.86

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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.