Home / 45,440.50-68,155.88-15,858.90

Finding the Fourth Proportional to 45,440.50, 68,155.88 and 15,858.90

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Solution

The fourth proportional to 45,440.50, 68,155.88 and 15,858.90 is: 23,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,440.50 : 68,155.88 = 15,858.90 : x
  2. Step 2: Convert to fraction form
    45,440.50/68,155.88 = 15,858.90/x
  3. Step 3: Cross multiply
    45,440.50x = 68,155.88 × 15,858.90
  4. Step 4: Simplify right side
    45,440.50x = 1,080,877,285.33
  5. Step 5: Solve for x
    x = 1,080,877,285.33/45,440.50
  6. Step 6: Final answer
    x = 23,786.65

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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.